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How to use sizeForArbitraryArb method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

MaxLengthFromMinLength.spec.ts

Source:MaxLengthFromMinLength.spec.ts

1import fc from 'fast-check';2import {3  DefaultSize,4  depthBiasFromSizeForArbitrary,5  maxGeneratedLengthFromSizeForArbitrary,6  maxLengthFromMinLength,7  MaxLengthUpperBound,8  relativeSizeToSize,9  resolveSize,10} from '../../../../../src/arbitrary/_internals/helpers/MaxLengthFromMinLength';11import { withConfiguredGlobal } from '../../__test-helpers__/GlobalSettingsHelpers';12import {13  sizeArb,14  isSmallerSize,15  relativeSizeArb,16  sizeForArbitraryArb,17  sizeRelatedGlobalConfigArb,18} from '../../__test-helpers__/SizeHelpers';19describe('maxLengthFromMinLength', () => {20  it('should result into higher or equal maxLength given higher size', () => {21    fc.assert(22      fc.property(sizeArb, sizeArb, fc.integer({ min: 0, max: MaxLengthUpperBound }), (sa, sb, minLength) => {23        // Arrange24        const [smallSize, largeSize] = isSmallerSize(sa, sb) ? [sa, sb] : [sb, sa];25        // Act / Assert26        expect(maxLengthFromMinLength(minLength, smallSize)).toBeLessThanOrEqual(27          maxLengthFromMinLength(minLength, largeSize)28        );29      })30    );31  });32  it('should result into higher or equal maxLength given higher minLength', () => {33    fc.assert(34      fc.property(35        sizeArb,36        fc.integer({ min: 0, max: MaxLengthUpperBound }),37        fc.integer({ min: 0, max: MaxLengthUpperBound }),38        (size, minLengthA, minLengthB) => {39          // Arrange40          const [smallMinLength, largeMinLength] =41            minLengthA < minLengthB ? [minLengthA, minLengthB] : [minLengthB, minLengthA];42          // Act / Assert43          expect(maxLengthFromMinLength(smallMinLength, size)).toBeLessThanOrEqual(44            maxLengthFromMinLength(largeMinLength, size)45          );46        }47      )48    );49  });50});51describe('maxGeneratedLengthFromSizeForArbitrary', () => {52  it('should only consider the received size when set to Size', () => {53    fc.assert(54      fc.property(55        sizeRelatedGlobalConfigArb,56        sizeArb,57        fc.integer({ min: 0, max: MaxLengthUpperBound }),58        fc.integer({ min: 0, max: MaxLengthUpperBound }),59        fc.boolean(),60        (config, size, lengthA, lengthB, specifiedMaxLength) => {61          // Arrange62          const [minLength, maxLength] = lengthA < lengthB ? [lengthA, lengthB] : [lengthB, lengthA];63          // Act64          const computedLength = withConfiguredGlobal(config, () =>65            maxGeneratedLengthFromSizeForArbitrary(size, minLength, maxLength, specifiedMaxLength)66          );67          const expectedLength = Math.min(maxLengthFromMinLength(minLength, size), maxLength);68          // Assert69          expect(computedLength).toBe(expectedLength);70        }71      )72    );73  });74  it('should behave as its equivalent Size taking into account global settings when receiving a RelativeSize', () => {75    fc.assert(76      fc.property(77        sizeRelatedGlobalConfigArb,78        relativeSizeArb,79        fc.integer({ min: 0, max: MaxLengthUpperBound }),80        fc.integer({ min: 0, max: MaxLengthUpperBound }),81        fc.boolean(),82        (config, size, lengthA, lengthB, specifiedMaxLength) => {83          // Arrange84          const { baseSize: defaultSize = DefaultSize } = config;85          const equivalentSize = relativeSizeToSize(size, defaultSize);86          const [minLength, maxLength] = lengthA < lengthB ? [lengthA, lengthB] : [lengthB, lengthA];87          // Act88          const computedLength = withConfiguredGlobal(config, () =>89            maxGeneratedLengthFromSizeForArbitrary(size, minLength, maxLength, specifiedMaxLength)90          );91          const expectedLength = maxGeneratedLengthFromSizeForArbitrary(92            equivalentSize,93            minLength,94            maxLength,95            specifiedMaxLength96          );97          // Assert98          expect(computedLength).toBe(expectedLength);99        }100      )101    );102  });103  it('should behave as its resolved Size when in unspecified max mode', () => {104    fc.assert(105      fc.property(106        sizeRelatedGlobalConfigArb,107        fc.oneof(sizeArb, relativeSizeArb),108        fc.integer({ min: 0, max: MaxLengthUpperBound }),109        fc.integer({ min: 0, max: MaxLengthUpperBound }),110        (config, size, lengthA, lengthB) => {111          // Arrange112          const resolvedSize = withConfiguredGlobal(config, () => resolveSize(size));113          const [minLength, maxLength] = lengthA < lengthB ? [lengthA, lengthB] : [lengthB, lengthA];114          // Act115          const computedLength = withConfiguredGlobal(config, () =>116            maxGeneratedLengthFromSizeForArbitrary(size, minLength, maxLength, false)117          );118          const expectedLength = withConfiguredGlobal(config, () =>119            maxGeneratedLengthFromSizeForArbitrary(resolvedSize, minLength, maxLength, false)120          );121          // Assert122          expect(computedLength).toBe(expectedLength);123        }124      )125    );126  });127  it('should only consider the received maxLength when set to "max"', () => {128    fc.assert(129      fc.property(130        sizeRelatedGlobalConfigArb,131        fc.integer({ min: 0, max: MaxLengthUpperBound }),132        fc.integer({ min: 0, max: MaxLengthUpperBound }),133        fc.boolean(),134        (config, lengthA, lengthB, specifiedMaxLength) => {135          // Arrange136          const size = 'max';137          const [minLength, maxLength] = lengthA < lengthB ? [lengthA, lengthB] : [lengthB, lengthA];138          // Act139          const computedLength = withConfiguredGlobal(config, () =>140            maxGeneratedLengthFromSizeForArbitrary(size, minLength, maxLength, specifiedMaxLength)141          );142          // Assert143          expect(computedLength).toBe(maxLength);144        }145      )146    );147  });148  it('should ignore specifiedMaxLength whenever size specified', () => {149    fc.assert(150      fc.property(151        sizeRelatedGlobalConfigArb,152        sizeForArbitraryArb,153        fc.integer({ min: 0, max: MaxLengthUpperBound }),154        fc.integer({ min: 0, max: MaxLengthUpperBound }),155        (config, size, lengthA, lengthB) => {156          // Arrange157          const [minLength, maxLength] = lengthA < lengthB ? [lengthA, lengthB] : [lengthB, lengthA];158          // Act159          const computedLength = withConfiguredGlobal(config, () =>160            maxGeneratedLengthFromSizeForArbitrary(size, minLength, maxLength, false)161          );162          const expectedLength = withConfiguredGlobal(config, () =>163            maxGeneratedLengthFromSizeForArbitrary(size, minLength, maxLength, true)164          );165          // Assert166          expect(computedLength).toBe(expectedLength);167        }168      )169    );170  });171  it('should fallback to "max" whenever no size specified but maxLength specified when defaultSizeToMaxWhenMaxSpecified true or unset', () => {172    fc.assert(173      fc.property(174        sizeRelatedGlobalConfigArb,175        fc.integer({ min: 0, max: MaxLengthUpperBound }),176        fc.integer({ min: 0, max: MaxLengthUpperBound }),177        (incompleteConfig, lengthA, lengthB) => {178          // Arrange179          const config = { ...incompleteConfig, defaultSizeToMaxWhenMaxSpecified: true };180          const [minLength, maxLength] = lengthA < lengthB ? [lengthA, lengthB] : [lengthB, lengthA];181          // Act182          const computedLength = withConfiguredGlobal(config, () =>183            maxGeneratedLengthFromSizeForArbitrary(undefined, minLength, maxLength, true)184          );185          const expectedLength = withConfiguredGlobal(config, () =>186            maxGeneratedLengthFromSizeForArbitrary('max', minLength, maxLength, true)187          );188          // Assert189          expect(computedLength).toBe(expectedLength);190        }191      )192    );193  });194  it('should fallback to baseSize (or default) whenever no size specified and no maxLength specified', () => {195    fc.assert(196      fc.property(197        sizeRelatedGlobalConfigArb,198        fc.integer({ min: 0, max: MaxLengthUpperBound }),199        fc.integer({ min: 0, max: MaxLengthUpperBound }),200        (config, lengthA, lengthB) => {201          // Arrange202          const [minLength, maxLength] = lengthA < lengthB ? [lengthA, lengthB] : [lengthB, lengthA];203          const { baseSize: defaultSize = DefaultSize } = config;204          // Act205          const computedLength = withConfiguredGlobal(config, () =>206            maxGeneratedLengthFromSizeForArbitrary(undefined, minLength, maxLength, false)207          );208          const expectedLength = maxGeneratedLengthFromSizeForArbitrary(defaultSize, minLength, maxLength, false);209          // Assert210          expect(computedLength).toBe(expectedLength);211        }212      )213    );214  });215  it('should always return a length being between minLength and maxLength', () => {216    fc.assert(217      fc.property(218        sizeRelatedGlobalConfigArb,219        fc.option(sizeForArbitraryArb, { nil: undefined }),220        fc.integer({ min: 0, max: MaxLengthUpperBound }),221        fc.integer({ min: 0, max: MaxLengthUpperBound }),222        fc.boolean(),223        (config, size, lengthA, lengthB, specifiedMaxLength) => {224          // Arrange225          const [minLength, maxLength] = lengthA < lengthB ? [lengthA, lengthB] : [lengthB, lengthA];226          // Act227          const computedLength = withConfiguredGlobal(config, () =>228            maxGeneratedLengthFromSizeForArbitrary(size, minLength, maxLength, specifiedMaxLength)229          );230          // Assert231          expect(computedLength).toBeGreaterThanOrEqual(minLength);232          expect(computedLength).toBeLessThanOrEqual(maxLength);233        }234      )235    );236  });237});238describe('depthSizeFromSizeForArbitrary', () => {239  it('should only consider the received depthSize when set to a numeric value', () => {240    fc.assert(241      fc.property(242        sizeRelatedGlobalConfigArb,243        fc.double({ min: 0 }),244        fc.boolean(),245        (config, size, specifiedMaxDepth) => {246          // Arrange / Act247          const computedDepthBias = withConfiguredGlobal(config, () =>248            depthBiasFromSizeForArbitrary(size, specifiedMaxDepth)249          );250          // Assert251          expect(computedDepthBias).toBe(1 / size);252        }253      )254    );255  });256  it('should only consider the received size when set to Size', () => {257    fc.assert(258      fc.property(sizeRelatedGlobalConfigArb, sizeArb, fc.boolean(), (config, size, specifiedMaxDepth) => {259        // Arrange / Act260        const computedDepthBias = withConfiguredGlobal(config, () =>261          depthBiasFromSizeForArbitrary(size, specifiedMaxDepth)262        );263        const expectedDepthBias = { xsmall: 1, small: 1 / 2, medium: 1 / 4, large: 1 / 8, xlarge: 1 / 16 }[size];264        // Assert265        expect(computedDepthBias).toBe(expectedDepthBias);266      })267    );268  });269  it('should behave as its equivalent Size taking into account global settings when receiving a RelativeSize', () => {270    fc.assert(271      fc.property(sizeRelatedGlobalConfigArb, relativeSizeArb, fc.boolean(), (config, size, specifiedMaxDepth) => {272        // Arrange273        const { baseSize: defaultSize = DefaultSize } = config;274        const equivalentSize = relativeSizeToSize(size, defaultSize);275        // Act276        const computedDepthBias = withConfiguredGlobal(config, () =>277          depthBiasFromSizeForArbitrary(size, specifiedMaxDepth)278        );279        const expectedDepthBias = depthBiasFromSizeForArbitrary(equivalentSize, false);280        // Assert281        expect(computedDepthBias).toBe(expectedDepthBias);282      })283    );284  });285  it('should always return 0 if size is max whatever the global configuration', () => {286    fc.assert(287      fc.property(sizeRelatedGlobalConfigArb, fc.boolean(), (config, specifiedMaxDepth) => {288        // Arrange / Act289        const computedDepthBias = withConfiguredGlobal(config, () =>290          depthBiasFromSizeForArbitrary('max', specifiedMaxDepth)291        );292        // Assert293        expect(computedDepthBias).toBe(0);294      })295    );296  });297  it('should always return 0 if both specifiedMaxDepth and defaultSizeToMaxWhenMaxSpecified are true and size unset', () => {298    fc.assert(299      fc.property(sizeRelatedGlobalConfigArb, (config) => {300        // Arrange / Act301        const computedDepthBias = withConfiguredGlobal({ ...config, defaultSizeToMaxWhenMaxSpecified: true }, () =>302          depthBiasFromSizeForArbitrary(undefined, true)303        );304        // Assert305        expect(computedDepthBias).toBe(0);306      })307    );308  });309});310describe('relativeSizeToSize', () => {311  it('should offset by -4 when "-4"', () => {312    const relativeSize = '-4';313    expect(relativeSizeToSize(relativeSize, 'xsmall')).toBe('xsmall');314    expect(relativeSizeToSize(relativeSize, 'small')).toBe('xsmall');315    expect(relativeSizeToSize(relativeSize, 'medium')).toBe('xsmall');316    expect(relativeSizeToSize(relativeSize, 'large')).toBe('xsmall');317    expect(relativeSizeToSize(relativeSize, 'xlarge')).toBe('xsmall');318  });319  it('should offset by -1 when "-1"', () => {320    const relativeSize = '-1';321    expect(relativeSizeToSize(relativeSize, 'xsmall')).toBe('xsmall');322    expect(relativeSizeToSize(relativeSize, 'small')).toBe('xsmall');323    expect(relativeSizeToSize(relativeSize, 'medium')).toBe('small');324    expect(relativeSizeToSize(relativeSize, 'large')).toBe('medium');325    expect(relativeSizeToSize(relativeSize, 'xlarge')).toBe('large');326  });327  it('should not offset when "="', () => {328    const relativeSize = '=';329    expect(relativeSizeToSize(relativeSize, 'xsmall')).toBe('xsmall');330    expect(relativeSizeToSize(relativeSize, 'small')).toBe('small');331    expect(relativeSizeToSize(relativeSize, 'medium')).toBe('medium');332    expect(relativeSizeToSize(relativeSize, 'large')).toBe('large');333    expect(relativeSizeToSize(relativeSize, 'xlarge')).toBe('xlarge');334  });335  it('should offset by +1 when "+1"', () => {336    const relativeSize = '+1';337    expect(relativeSizeToSize(relativeSize, 'xsmall')).toBe('small');338    expect(relativeSizeToSize(relativeSize, 'small')).toBe('medium');339    expect(relativeSizeToSize(relativeSize, 'medium')).toBe('large');340    expect(relativeSizeToSize(relativeSize, 'large')).toBe('xlarge');341    expect(relativeSizeToSize(relativeSize, 'xlarge')).toBe('xlarge');342  });343  it('should offset by +4 when "+4"', () => {344    const relativeSize = '+4';345    expect(relativeSizeToSize(relativeSize, 'xsmall')).toBe('xlarge');346    expect(relativeSizeToSize(relativeSize, 'small')).toBe('xlarge');347    expect(relativeSizeToSize(relativeSize, 'medium')).toBe('xlarge');348    expect(relativeSizeToSize(relativeSize, 'large')).toBe('xlarge');349    expect(relativeSizeToSize(relativeSize, 'xlarge')).toBe('xlarge');350  });...

base64String.spec.ts

Source:base64String.spec.ts

1import * as fc from 'fast-check';2import { base64String } from '../../../src/arbitrary/base64String';3import {4  assertProduceValuesShrinkableWithoutContext,5  assertProduceCorrectValues,6  assertProduceSameValueGivenSameSeed,7} from './__test-helpers__/ArbitraryAssertions';8import * as ArrayMock from '../../../src/arbitrary/array';9import { fakeArbitrary } from './__test-helpers__/ArbitraryHelpers';10import { Value } from '../../../src/check/arbitrary/definition/Value';11import { buildShrinkTree, renderTree } from './__test-helpers__/ShrinkTree';12import { sizeForArbitraryArb } from './__test-helpers__/SizeHelpers';13function beforeEachHook() {14  jest.resetModules();15  jest.restoreAllMocks();16  fc.configureGlobal({ beforeEach: beforeEachHook });17}18beforeEach(beforeEachHook);19describe('base64String', () => {20  it('should accept any constraints accepting at least one length multiple of 4', () =>21    fc.assert(22      fc.property(23        fc.nat({ max: 5 }),24        fc.integer({ min: 3, max: 30 }),25        fc.boolean(),26        fc.boolean(),27        (min, gap, withMin, withMax) => {28          // Arrange29          const constraints = { minLength: withMin ? min : undefined, maxLength: withMax ? min + gap : undefined };30          // Act / Assert31          expect(() => base64String(constraints)).not.toThrowError();32        }33      )34    ));35  it('should reject any constraints not accepting at least one length multiple of 4', () =>36    fc.assert(37      fc.property(fc.nat({ max: 30 }), fc.nat({ max: 2 }), (min, gap) => {38        // Arrange39        const constraints = { minLength: min, maxLength: min + gap };40        let includesMultipleOf4 = false;41        for (let acceptedLength = constraints.minLength; acceptedLength <= constraints.maxLength; ++acceptedLength) {42          includesMultipleOf4 = includesMultipleOf4 || acceptedLength % 4 === 0;43        }44        fc.pre(!includesMultipleOf4);45        // Act / Assert46        expect(() => base64String(constraints)).toThrowError();47      })48    ));49  it('should always query for arrays that will produce length fitting the requested range', () =>50    fc.assert(51      fc.property(52        fc.nat({ max: 30 }),53        fc.integer({ min: 3, max: 30 }),54        fc.boolean(),55        fc.boolean(),56        (min, gap, withMin, withMax) => {57          // Arrange58          const constraints = { minLength: withMin ? min : undefined, maxLength: withMax ? min + gap : undefined };59          const array = jest.spyOn(ArrayMock, 'array');60          const { instance: arrayInstance, map } = fakeArbitrary();61          array.mockReturnValue(arrayInstance);62          map.mockReturnValue(arrayInstance); // fake map63          // Act64          base64String(constraints);65          // Assert66          expect(array).toHaveBeenCalledTimes(1);67          const constraintsOnArray = array.mock.calls[0][1]!;68          const rounded4 = (value: number) => {69            switch (value % 4) {70              case 0:71                return value;72              case 1:73                return value;74              case 2:75                return value + 2;76              case 3:77                return value + 1;78            }79          };80          if (constraints.minLength !== undefined) {81            expect(constraintsOnArray.minLength).toBeDefined();82            expect(rounded4(constraintsOnArray.minLength!)).toBeGreaterThanOrEqual(constraints.minLength);83          }84          if (constraints.maxLength !== undefined) {85            expect(constraintsOnArray.maxLength).toBeDefined();86            expect(rounded4(constraintsOnArray.maxLength!)).toBeLessThanOrEqual(constraints.maxLength);87          }88          if (constraintsOnArray.minLength !== undefined && constraintsOnArray.maxLength !== undefined) {89            expect(constraintsOnArray.maxLength).toBeGreaterThanOrEqual(constraintsOnArray.minLength);90          }91        }92      )93    ));94  it('should always forward constraints on size to the underlying arbitrary when provided', () =>95    fc.assert(96      fc.property(97        fc.nat({ max: 5 }),98        fc.integer({ min: 3, max: 30 }),99        fc.boolean(),100        fc.boolean(),101        sizeForArbitraryArb,102        (min, gap, withMin, withMax, size) => {103          // Arrange104          const constraints = {105            minLength: withMin ? min : undefined,106            maxLength: withMax ? min + gap : undefined,107            size,108          };109          const array = jest.spyOn(ArrayMock, 'array');110          const { instance: arrayInstance, map } = fakeArbitrary();111          array.mockReturnValue(arrayInstance);112          map.mockReturnValue(arrayInstance); // fake map113          // Act114          base64String(constraints);115          // Assert116          expect(array).toHaveBeenCalledWith(expect.anything(), expect.objectContaining({ size }));117        }118      )119    ));120});121describe('base64String (integration)', () => {122  type Extra = { minLength?: number; maxLength?: number };123  const extraParameters: fc.Arbitrary<Extra> = fc124    .tuple(fc.nat({ max: 30 }), fc.integer({ min: 3, max: 30 }), fc.boolean(), fc.boolean())125    .map(([min, gap, withMin, withMax]) => ({126      minLength: withMin ? min : undefined,127      // Minimal gap=3 to ensure we have at least one possible multiple of 4 between min and max128      maxLength: withMax ? min + gap : undefined,129    }));130  const isCorrect = (value: string, extra: Extra) => {131    if (extra.minLength !== undefined) {132      expect(value.length).toBeGreaterThanOrEqual(extra.minLength);133    }134    if (extra.maxLength !== undefined) {135      expect(value.length).toBeLessThanOrEqual(extra.maxLength);136    }137    const padStart = value.indexOf('=');138    const beforeEqualValue = value.substr(0, padStart === -1 ? value.length : padStart);139    const afterEqualValue = value.substr(padStart === -1 ? value.length : padStart);140    for (const c of beforeEqualValue.split('')) {141      expect('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/'.split('')).toContainEqual(c);142    }143    expect(['', '=', '==']).toContainEqual(afterEqualValue);144  };145  const base64StringBuilder = (extra: Extra) => base64String(extra);146  it('should produce the same values given the same seed', () => {147    assertProduceSameValueGivenSameSeed(base64StringBuilder, { extraParameters });148  });149  it('should only produce correct values', () => {150    assertProduceCorrectValues(base64StringBuilder, isCorrect, { extraParameters });151  });152  it('should produce values seen as shrinkable without any context', () => {153    assertProduceValuesShrinkableWithoutContext(base64StringBuilder, { extraParameters });154  });155  // assertShrinkProducesSameValueWithoutInitialContext is not applicable for base64String has some values will not shrink exactly the same way.156  // For instance: 'abcde' will be mapped to 'abcd', with default shrink it will try to shrink from 'abcde'. With context-less one it will start from 'abcd'.157  it.each`158    source                               | constraints159    ${'0123ABC==' /* invalid base 64 */} | ${{}}160    ${'AB==' /* not large enough */}     | ${{ minLength: 5 }}161    ${'0123AB==' /* too large */}        | ${{ maxLength: 7 }}162  `('should not be able to generate $source with fc.base64String($constraints)', ({ source, constraints }) => {163    // Arrange / Act164    const arb = base64String(constraints);165    const out = arb.canShrinkWithoutContext(source);166    // Assert167    expect(out).toBe(false);168  });169  it.each`170    rawValue171    ${'ABCD'}172    ${'0123AB=='}173    ${'01230123012301230123AB=='}174    ${'ABCD'.repeat(50)}175  `('should be able to shrink $rawValue', ({ rawValue }) => {176    // Arrange177    const arb = base64String();178    const value = new Value(rawValue, undefined);179    // Act180    const renderedTree = renderTree(buildShrinkTree(arb, value, { numItems: 100 })).join('\n');181    // Assert182    expect(arb.canShrinkWithoutContext(rawValue)).toBe(true);183    expect(renderedTree).toMatchSnapshot();184  });...

SizeHelpers.ts

Source:SizeHelpers.ts

1import { assert } from 'console';2import fc from 'fast-check';3import {4  RelativeSize,5  Size,6  SizeForArbitrary,7} from '../../../../src/arbitrary/_internals/helpers/MaxLengthFromMinLength';8const allSizeOrdered = ['xsmall', 'small', 'medium', 'large', 'xlarge'] as const;9export const sizeArb = fc.constantFrom<Size>(...allSizeOrdered);10export const isSmallerSize = (sa: Size, sb: Size): boolean => allSizeOrdered.indexOf(sa) < allSizeOrdered.indexOf(sb);11const allRelativeSize = ['-4', '-3', '-2', '-1', '=', '+1', '+2', '+3', '+4'] as const;12export const relativeSizeArb = fc.constantFrom<RelativeSize>(...allRelativeSize);13const allSizeForArbitrary = [...allSizeOrdered, ...allRelativeSize, 'max'] as const; // WARNING: it does not include undefined14export const sizeForArbitraryArb = fc.constantFrom<SizeForArbitrary>(...allSizeForArbitrary);15export const sizeRelatedGlobalConfigArb = fc.record(16  { baseSize: sizeArb, defaultSizeToMaxWhenMaxSpecified: fc.boolean() },17  { requiredKeys: [] }18);19// Type check that helpers are covering all the possibilities20const failIfMissingSize: Size extends typeof allSizeOrdered[number] ? true : never = true;21const failIfMissingRelativeSize: RelativeSize extends typeof allRelativeSize[number] ? true : never = true;22const failIfMissingSizeForArbitrary: NonNullable<SizeForArbitrary> extends typeof allSizeForArbitrary[number]23  ? true24  : never = true;25assert(failIfMissingSize); // just not to appear unused26assert(failIfMissingRelativeSize); // just not to appear unused...

Using AI Code Generation

1const fc = require("fast-check");2const SizeArbitrary = require("fast-check/lib/check/arbitrary/SizeArbitrary.js");3const sizeArb = new SizeArbitrary.SizeArbitrary();4const size = sizeArb.sizeForArbitraryArb(fc.integer());5const fc = require("fast-check");6const SizeArbitrary = require("fast-check/lib/check/arbitrary/SizeArbitrary.js");7const sizeArb = new SizeArbitrary.SizeArbitrary();8const size = sizeArb.sizeForArbitraryArb(fc.integer());9const fc = require("fast-check");10const SizeArbitrary = require("fast-check/lib/check/arbitrary/SizeArbitrary.js");11const sizeArb = new SizeArbitrary.SizeArbitrary();12const size = sizeArb.sizeForArbitraryArb(fc.integer());13const fc = require("fast-check");14const SizeArbitrary = require("fast-check/lib/check/arbitrary/SizeArbitrary.js");15const sizeArb = new SizeArbitrary.SizeArbitrary();16const size = sizeArb.sizeForArbitraryArb(fc.integer());17const fc = require("fast-check");18const SizeArbitrary = require("fast-check/lib/check/arbitrary/SizeArbitrary.js");19const sizeArb = new SizeArbitrary.SizeArbitrary();20const size = sizeArb.sizeForArbitraryArb(fc.integer());21const fc = require("fast-check");22const SizeArbitrary = require("fast-check/lib/check/arbitrary/SizeArbitrary.js");

Using AI Code Generation

1const { sizeForArbitraryArb } = require('fast-check');2const { array, oneof, string, number, constant } = require('fast-check');3const arb = oneof(4  array(string()),5  array(number()),6  array(oneof(string(), number())),7  array(oneof(constant('a'), constant('b'), constant('c'))),8  array(oneof(constant(1), constant(2), constant(3)))9);10const size = sizeForArbitraryArb(arb);11console.log(size);12const { sizeForArbitraryArb } = require('fast-check');13const { array, oneof, string, number, constant } = require('fast-check');14const arb = oneof(15  array(string()),16  array(number()),17  array(oneof(string(), number())),18  array(oneof(constant('a'), constant('b'), constant('c'))),19  array(oneof(constant(1), constant(2), constant(3)))20);21const size = sizeForArbitraryArb(arb);22console.log(size);23const { sizeForArbitraryArb } = require('fast-check');24const { array, oneof, string, number, constant } = require('fast-check');25const arb = oneof(26  array(string()),27  array(number()),28  array(oneof(string(), number())),29  array(oneof(constant('a'), constant('b'), constant('c'))),30  array(oneof(constant(1), constant(2), constant(3)))31);32const size = sizeForArbitraryArb(arb);33console.log(size);34const { sizeForArbitraryArb } = require('fast-check');35const { array, oneof, string, number, constant } = require('fast-check');36const arb = oneof(37  array(string()),38  array(number()),39  array(oneof(string(), number())),40  array(oneof(constant('a'), constant('b'), constant('c'))),41  array(oneof(constant(1), constant(2), constant(3)))42);

Using AI Code Generation

1const fc = require('fast-check')2const {sizeForArbitraryArb} = require('fast-check-monorepo')3const arb = fc.array(fc.integer());4const arb1 = sizeForArbitraryArb(arb, 20)5fc.assert(fc.property(arb1, a => a.length === 20))6const fc = require('fast-check')7const {sizeForArbitraryArb} = require('fast-check-monorepo')8const arb = fc.array(fc.integer());9const arb1 = sizeForArbitraryArb(arb, 20)10fc.assert(fc.property(arb1, a => a.length === 20))11const fc = require('fast-check')12const {sizeForArbitraryArb} = require('fast-check-monorepo')13const arb = fc.array(fc.integer());14const arb1 = sizeForArbitraryArb(arb, 20)15fc.assert(fc.property(arb1, a => a.length === 20))16const fc = require('fast-check')17const {sizeForArbitraryArb} = require('fast-check-monorepo')18const arb = fc.array(fc.integer());19const arb1 = sizeForArbitraryArb(arb, 20)20fc.assert(fc.property(arb1, a => a.length === 20))21const fc = require('fast-check')22const {sizeForArbitraryArb} = require('fast-check-monorepo')23const arb = fc.array(fc.integer());24const arb1 = sizeForArbitraryArb(arb, 20)25fc.assert(fc.property(arb1, a => a.length === 20))

Using AI Code Generation

1const fc = require("fast-check");2const size = 3;3const type = "number";4const array = fc.sizeForArbitraryArb(size, fc[type]());5console.log(array);6const fc = require("fast-check");7const size = 3;8const type = "string";9const array = fc.sizeForArbitraryArb(size, fc[type]());10console.log(array);11const fc = require("fast-check");12const size = 3;13const type = "boolean";14const array = fc.sizeForArbitraryArb(size, fc[type]());15console.log(array);16const fc = require("fast-check");17const size = 3;18const type = "date";19const array = fc.sizeForArbitraryArb(size, fc[type]());20console.log(array);

Using AI Code Generation

1const fc = require('fast-check');2const sizeForArbitraryArb = require('fast-check/lib/arbitrary/_internals/SizeForArbitraryArb.js');3const sizeForArbitrary = sizeForArbitraryArb.default;4const sortedArb = sizeForArbitrary(fc.integer(), (size) => {5  return fc.array(fc.integer(), size, size);6}).map((array) => array.sort((a, b) => a - b));7fc.assert(8  fc.property(sortedArb, (array) => {9    for (let idx = 1; idx < array.length; ++idx) {10      if (array[idx - 1] > array[idx]) {11        return false;12      }13    }14    return true;15  })16);17const sortedArb = fc.array(fc.integer(), 10, 20).map((array) => array.sort((a, b) => a - b));18It is not a bug, it is a feature. In the second case, you are using the default export of the module, which is not exported by fast-check. So you need to use the default import syntax to import it:19import sizeForArbitraryArb from 'fast-check/lib/arbitrary/_internals/SizeForArbitraryArb.js';20import { sizeForArbitraryArb } from 'fast-check/lib/arbitrary/_internals/SizeForArbitraryArb.js';

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