Unlock 30% off on Manual Testing Annual Plans this Holiday Season. 
Use Code: LCMYEARENDEXCL30
Use Code: LCMYEARENDEXCL30Check icon
Copied to Clipboard!
How to use indexForNaN method in fast-check-monorepo
Best JavaScript code snippet using fast-check-monorepo
double.spec.ts
Source:double.spec.ts 
1import * as fc from 'fast-check';2import { double, DoubleConstraints } from '../../../src/arbitrary/double';3import {4 add64,5 ArrayInt64,6 isEqual64,7 substract64,8 Unit64,9} from '../../../src/arbitrary/_internals/helpers/ArrayInt64';10import {11 defaultDoubleRecordConstraints,12 doubleConstraints,13 float64raw,14 isStrictlySmaller,15} from './__test-helpers__/FloatingPointHelpers';16import { doubleToIndex, indexToDouble } from '../../../src/arbitrary/_internals/helpers/DoubleHelpers';17import { fakeArbitrary, fakeArbitraryStaticValue } from './__test-helpers__/ArbitraryHelpers';18import { fakeRandom } from './__test-helpers__/RandomHelpers';19import {20 assertProduceCorrectValues,21 assertShrinkProducesStrictlySmallerValue,22 assertProduceSameValueGivenSameSeed,23 assertProduceValuesShrinkableWithoutContext,24 assertShrinkProducesSameValueWithoutInitialContext,25} from './__test-helpers__/ArbitraryAssertions';26import * as ArrayInt64ArbitraryMock from '../../../src/arbitrary/_internals/ArrayInt64Arbitrary';27function beforeEachHook() {28 jest.resetModules();29 jest.restoreAllMocks();30}31beforeEach(beforeEachHook);32fc.configureGlobal({33 ...fc.readConfigureGlobal(),34 beforeEach: beforeEachHook,35});36describe('double', () => {37 it('should accept any valid range of floating point numbers (including infinity)', () => {38 fc.assert(39 fc.property(doubleConstraints(), (ct) => {40 // Arrange41 spyArrayInt64();42 // Act43 const arb = double(ct);44 // Assert45 expect(arb).toBeDefined();46 })47 );48 });49 it('should accept any constraits defining min (not-NaN) equal to max', () => {50 fc.assert(51 fc.property(52 float64raw(),53 fc.record({ noDefaultInfinity: fc.boolean(), noNaN: fc.boolean() }, { withDeletedKeys: true }),54 (f, otherCt) => {55 // Arrange56 fc.pre(!Number.isNaN(f));57 spyArrayInt64();58 // Act59 const arb = double({ ...otherCt, min: f, max: f });60 // Assert61 expect(arb).toBeDefined();62 }63 )64 );65 });66 it('should reject NaN if specified for min', () => {67 // Arrange68 const arrayInt64 = spyArrayInt64();69 // Act / Assert70 expect(() => double({ min: Number.NaN })).toThrowError();71 expect(arrayInt64).not.toHaveBeenCalled();72 });73 it('should reject NaN if specified for max', () => {74 // Arrange75 const arrayInt64 = spyArrayInt64();76 // Act / Assert77 expect(() => double({ max: Number.NaN })).toThrowError();78 expect(arrayInt64).not.toHaveBeenCalled();79 });80 it('should reject if specified min is strictly greater than max', () => {81 fc.assert(82 fc.property(float64raw(), float64raw(), (da, db) => {83 // Arrange84 fc.pre(!Number.isNaN(da));85 fc.pre(!Number.isNaN(db));86 fc.pre(!Object.is(da, db)); // Object.is can distinguish -0 from 0, while !== cannot87 const arrayInt64 = spyArrayInt64();88 const min = isStrictlySmaller(da, db) ? db : da;89 const max = isStrictlySmaller(da, db) ? da : db;90 // Act / Assert91 expect(() => double({ min, max })).toThrowError();92 expect(arrayInt64).not.toHaveBeenCalled();93 })94 );95 });96 it('should reject impossible noDefaultInfinity-based ranges', () => {97 // Arrange98 const arrayInt64 = spyArrayInt64();99 // Act / Assert100 expect(() => double({ min: Number.POSITIVE_INFINITY, noDefaultInfinity: true })).toThrowError();101 expect(() => double({ max: Number.NEGATIVE_INFINITY, noDefaultInfinity: true })).toThrowError();102 expect(arrayInt64).not.toHaveBeenCalled();103 });104 if (typeof BigInt !== 'undefined') {105 it('should properly convert integer value for index between min and max into its associated float value', () => {106 fc.assert(107 fc.property(108 fc.option(doubleConstraints(), { nil: undefined }),109 fc.bigUintN(64),110 fc.option(fc.integer({ min: 2 }), { nil: undefined }),111 (ct, mod, biasFactor) => {112 // Arrange113 const { instance: mrng } = fakeRandom();114 const { min, max } = minMaxForConstraints(ct || {});115 const minIndex = doubleToIndex(min);116 const maxIndex = doubleToIndex(max);117 const arbitraryGeneratedIndex = toIndex(118 (mod % (toBigInt(maxIndex) - toBigInt(minIndex) + BigInt(1))) + toBigInt(minIndex)119 );120 spyArrayInt64WithValue(() => arbitraryGeneratedIndex);121 // Act122 const arb = double(ct);123 const { value_: f } = arb.generate(mrng, biasFactor);124 // Assert125 expect(f).toBe(indexToDouble(arbitraryGeneratedIndex));126 }127 )128 );129 });130 }131 describe('with NaN', () => {132 const withNaNRecordConstraints = { ...defaultDoubleRecordConstraints, noNaN: fc.constant(false) };133 it('should ask for a range with one extra value (far from zero)', () => {134 fc.assert(135 fc.property(doubleConstraints(withNaNRecordConstraints), (ct) => {136 // Arrange137 const { max } = minMaxForConstraints(ct);138 const arrayInt64 = spyArrayInt64();139 // Act140 double({ ...ct, noNaN: true });141 double(ct);142 // Assert143 expect(arrayInt64).toHaveBeenCalledTimes(2);144 const constraintsNoNaN = arrayInt64.mock.calls[0];145 const constraintsWithNaN = arrayInt64.mock.calls[1];146 if (max > 0) {147 // max > 0 --> NaN will be added as the greatest value148 expect(constraintsWithNaN[0]).toEqual(constraintsNoNaN[0]);149 expect(constraintsWithNaN[1]).toEqual(add64(constraintsNoNaN[1], Unit64));150 } else {151 // max <= 0 --> NaN will be added as the smallest value152 expect(constraintsWithNaN[0]).toEqual(substract64(constraintsNoNaN[0], Unit64));153 expect(constraintsWithNaN[1]).toEqual(constraintsNoNaN[1]);154 }155 })156 );157 });158 it('should properly convert the extra value to NaN', () => {159 fc.assert(160 fc.property(161 doubleConstraints(withNaNRecordConstraints),162 fc.option(fc.integer({ min: 2 }), { nil: undefined }),163 (ct, biasFactor) => {164 // Arrange165 // Setup mocks for integer166 const { instance: mrng } = fakeRandom();167 const arbitraryGenerated = { value: { sign: 1, data: [Number.NaN, Number.NaN] } as ArrayInt64 };168 const arrayInt64 = spyArrayInt64WithValue(() => arbitraryGenerated.value);169 // Call float next to find out the value required for NaN170 double({ ...ct, noNaN: true });171 const arb = double(ct);172 // Extract NaN "index"173 const [minNonNaN] = arrayInt64.mock.calls[0];174 const [minNaN, maxNaN] = arrayInt64.mock.calls[1];175 const indexForNaN = !isEqual64(minNonNaN, minNaN) ? minNaN : maxNaN;176 if (indexForNaN === undefined) throw new Error('No value available for NaN');177 arbitraryGenerated.value = indexForNaN;178 // Act179 const { value_: f } = arb.generate(mrng, biasFactor);180 // Assert181 expect(f).toBe(Number.NaN);182 }183 )184 );185 });186 });187 describe('without NaN', () => {188 // eslint-disable-next-line @typescript-eslint/no-unused-vars189 const { noNaN, ...noNaNRecordConstraints } = defaultDoubleRecordConstraints;190 it('should ask integers between the indexes corresponding to min and max', () => {191 fc.assert(192 fc.property(doubleConstraints(noNaNRecordConstraints), (ctDraft) => {193 // Arrange194 const ct = { ...ctDraft, noNaN: true };195 const arrayInt64 = spyArrayInt64();196 const { min, max } = minMaxForConstraints(ct);197 const minIndex = doubleToIndex(min);198 const maxIndex = doubleToIndex(max);199 // Act200 double(ct);201 // Assert202 expect(arrayInt64).toHaveBeenCalledTimes(1);203 expect(arrayInt64).toHaveBeenCalledWith(minIndex, maxIndex);204 })205 );206 });207 });208});209describe('double (integration)', () => {210 type Extra = DoubleConstraints | undefined;211 const extraParameters: fc.Arbitrary<Extra> = fc.option(doubleConstraints(), { nil: undefined });212 const isCorrect = (v: number, extra: Extra) => {213 expect(typeof v).toBe('number'); // should always produce numbers214 if (extra === undefined) {215 return; // no other constraints216 }217 if (extra.noNaN) {218 expect(v).not.toBe(Number.NaN); // should not produce NaN if explicitely asked not too219 }220 if (extra.min !== undefined && !Number.isNaN(v)) {221 expect(v).toBeGreaterThanOrEqual(extra.min); // should always be greater than min when specified222 }223 if (extra.max !== undefined && !Number.isNaN(v)) {224 expect(v).toBeLessThanOrEqual(extra.max); // should always be smaller than max when specified225 }226 if (extra.noDefaultInfinity) {227 if (extra.min === undefined) {228 expect(v).not.toBe(Number.NEGATIVE_INFINITY); // should not produce -infinity when noInfinity and min unset229 }230 if (extra.max === undefined) {231 expect(v).not.toBe(Number.POSITIVE_INFINITY); // should not produce +infinity when noInfinity and max unset232 }233 }234 };235 const isStrictlySmaller = (fa: number, fb: number) =>236 Math.abs(fa) < Math.abs(fb) || // Case 1: abs(a) < abs(b)237 (Object.is(fa, +0) && Object.is(fb, -0)) || // Case 2: +0 < -0 --> we shrink from -0 to +0238 (!Number.isNaN(fa) && Number.isNaN(fb)); // Case 3: notNaN < NaN, NaN is one of the extreme values239 const doubleBuilder = (extra: Extra) => double(extra);240 it('should produce the same values given the same seed', () => {241 assertProduceSameValueGivenSameSeed(doubleBuilder, { extraParameters });242 });243 it('should only produce correct values', () => {244 assertProduceCorrectValues(doubleBuilder, isCorrect, { extraParameters });245 });246 it('should produce values seen as shrinkable without any context', () => {247 assertProduceValuesShrinkableWithoutContext(doubleBuilder, { extraParameters });248 });249 it('should be able to shrink to the same values without initial context', () => {250 assertShrinkProducesSameValueWithoutInitialContext(doubleBuilder, { extraParameters });251 });252 it('should preserve strictly smaller ordering in shrink', () => {253 assertShrinkProducesStrictlySmallerValue(doubleBuilder, isStrictlySmaller, { extraParameters });254 });255});256// Helpers257type Index = ReturnType<typeof doubleToIndex>;258function toIndex(raw: bigint | string): Index {259 const b = typeof raw === 'string' ? BigInt(raw) : raw;260 const pb = b < BigInt(0) ? -b : b;261 return { sign: b < BigInt(0) ? -1 : 1, data: [Number(pb >> BigInt(32)), Number(pb & BigInt(0xffffffff))] };262}263function toBigInt(index: Index): bigint {264 return BigInt(index.sign) * ((BigInt(index.data[0]) << BigInt(32)) + BigInt(index.data[1]));265}266function minMaxForConstraints(ct: DoubleConstraints) {267 const noDefaultInfinity = ct.noDefaultInfinity;268 const {269 min = noDefaultInfinity ? -Number.MAX_VALUE : Number.NEGATIVE_INFINITY,270 max = noDefaultInfinity ? Number.MAX_VALUE : Number.POSITIVE_INFINITY,271 } = ct;272 return { min, max };273}274function spyArrayInt64() {275 const { instance, map } = fakeArbitrary<ArrayInt64>();276 const { instance: mappedInstance } = fakeArbitrary();277 const arrayInt64 = jest.spyOn(ArrayInt64ArbitraryMock, 'arrayInt64');278 arrayInt64.mockReturnValue(instance);279 map.mockReturnValue(mappedInstance);280 return arrayInt64;281}282function spyArrayInt64WithValue(value: () => ArrayInt64) {283 const { instance } = fakeArbitraryStaticValue<ArrayInt64>(value);284 const integer = jest.spyOn(ArrayInt64ArbitraryMock, 'arrayInt64');285 integer.mockReturnValue(instance);286 return integer;...
float.spec.ts
Source:float.spec.ts
1import * as fc from 'fast-check';2import { float, FloatConstraints } from '../../../src/arbitrary/float';3import {4 floatConstraints,5 float32raw,6 isNotNaN32bits,7 float64raw,8 isStrictlySmaller,9 defaultFloatRecordConstraints,10 is32bits,11} from './__test-helpers__/FloatingPointHelpers';12import { floatToIndex, indexToFloat, MAX_VALUE_32 } from '../../../src/arbitrary/_internals/helpers/FloatHelpers';13import { fakeArbitrary, fakeArbitraryStaticValue } from './__test-helpers__/ArbitraryHelpers';14import { fakeRandom } from './__test-helpers__/RandomHelpers';15import {16 assertProduceCorrectValues,17 assertShrinkProducesStrictlySmallerValue,18 assertProduceSameValueGivenSameSeed,19 assertProduceValuesShrinkableWithoutContext,20 assertShrinkProducesSameValueWithoutInitialContext,21} from './__test-helpers__/ArbitraryAssertions';22import * as IntegerMock from '../../../src/arbitrary/integer';23function beforeEachHook() {24 jest.resetModules();25 jest.restoreAllMocks();26}27beforeEach(beforeEachHook);28fc.configureGlobal({29 ...fc.readConfigureGlobal(),30 beforeEach: beforeEachHook,31});32function minMaxForConstraints(ct: FloatConstraints) {33 const noDefaultInfinity = ct.noDefaultInfinity;34 const {35 min = noDefaultInfinity ? -MAX_VALUE_32 : Number.NEGATIVE_INFINITY,36 max = noDefaultInfinity ? MAX_VALUE_32 : Number.POSITIVE_INFINITY,37 } = ct;38 return { min, max };39}40describe('float', () => {41 it('should accept any valid range of 32-bit floating point numbers (including infinity)', () => {42 fc.assert(43 fc.property(floatConstraints(), (ct) => {44 // Arrange45 spyInteger();46 // Act47 const arb = float(ct);48 // Assert49 expect(arb).toBeDefined();50 })51 );52 });53 it('should accept any constraits defining min (32-bit float not-NaN) equal to max', () => {54 fc.assert(55 fc.property(56 float32raw(),57 fc.record({ noDefaultInfinity: fc.boolean(), noNaN: fc.boolean() }, { withDeletedKeys: true }),58 (f, otherCt) => {59 // Arrange60 fc.pre(isNotNaN32bits(f));61 spyInteger();62 // Act63 const arb = float({ ...otherCt, min: f, max: f });64 // Assert65 expect(arb).toBeDefined();66 }67 )68 );69 });70 it('should reject non-32-bit or NaN floating point numbers if specified for min', () => {71 fc.assert(72 fc.property(float64raw(), (f64) => {73 // Arrange74 fc.pre(!isNotNaN32bits(f64));75 const integer = spyInteger();76 // Act / Assert77 expect(() => float({ min: f64 })).toThrowError();78 expect(integer).not.toHaveBeenCalled();79 })80 );81 });82 it('should reject non-32-bit or NaN floating point numbers if specified for max', () => {83 fc.assert(84 fc.property(float64raw(), (f64) => {85 // Arrange86 fc.pre(!isNotNaN32bits(f64));87 const integer = spyInteger();88 // Act / Assert89 expect(() => float({ max: f64 })).toThrowError();90 expect(integer).not.toHaveBeenCalled();91 })92 );93 });94 it('should reject if specified min is strictly greater than max', () => {95 fc.assert(96 fc.property(float32raw(), float32raw(), (fa32, fb32) => {97 // Arrange98 fc.pre(isNotNaN32bits(fa32));99 fc.pre(isNotNaN32bits(fb32));100 fc.pre(!Object.is(fa32, fb32)); // Object.is can distinguish -0 from 0, while !== cannot101 const integer = spyInteger();102 const min = isStrictlySmaller(fa32, fb32) ? fb32 : fa32;103 const max = isStrictlySmaller(fa32, fb32) ? fa32 : fb32;104 // Act / Assert105 expect(() => float({ min, max })).toThrowError();106 expect(integer).not.toHaveBeenCalled();107 })108 );109 });110 it('should reject impossible noDefaultInfinity-based ranges', () => {111 // Arrange112 const integer = spyInteger();113 // Act / Assert114 expect(() => float({ min: Number.POSITIVE_INFINITY, noDefaultInfinity: true })).toThrowError();115 expect(() => float({ max: Number.NEGATIVE_INFINITY, noDefaultInfinity: true })).toThrowError();116 expect(integer).not.toHaveBeenCalled();117 });118 it('should properly convert integer value for index between min and max into its associated float value', () =>119 fc.assert(120 fc.property(121 fc.option(floatConstraints(), { nil: undefined }),122 fc.maxSafeNat(),123 fc.option(fc.integer({ min: 2 }), { nil: undefined }),124 (ct, mod, biasFactor) => {125 // Arrange126 const { instance: mrng } = fakeRandom();127 const { min, max } = minMaxForConstraints(ct || {});128 const minIndex = floatToIndex(min);129 const maxIndex = floatToIndex(max);130 const arbitraryGeneratedIndex = (mod % (maxIndex - minIndex + 1)) + minIndex;131 spyIntegerWithValue(() => arbitraryGeneratedIndex);132 // Act133 const arb = float(ct);134 const { value_: f } = arb.generate(mrng, biasFactor);135 // Assert136 expect(f).toBe(indexToFloat(arbitraryGeneratedIndex));137 }138 )139 ));140 describe('with NaN', () => {141 const withNaNRecordConstraints = { ...defaultFloatRecordConstraints, noNaN: fc.constant(false) };142 it('should ask for a range with one extra value (far from zero)', () => {143 fc.assert(144 fc.property(floatConstraints(withNaNRecordConstraints), (ct) => {145 // Arrange146 const { max } = minMaxForConstraints(ct);147 const integer = spyInteger();148 // Act149 float({ ...ct, noNaN: true });150 float(ct);151 // Assert152 expect(integer).toHaveBeenCalledTimes(2);153 const integerConstraintsNoNaN = integer.mock.calls[0][0]!;154 const integerConstraintsWithNaN = integer.mock.calls[1][0]!;155 if (max > 0) {156 // max > 0 --> NaN will be added as the greatest value157 expect(integerConstraintsWithNaN.min).toBe(integerConstraintsNoNaN.min);158 expect(integerConstraintsWithNaN.max).toBe(integerConstraintsNoNaN.max! + 1);159 } else {160 // max <= 0 --> NaN will be added as the smallest value161 expect(integerConstraintsWithNaN.min).toBe(integerConstraintsNoNaN.min! - 1);162 expect(integerConstraintsWithNaN.max).toBe(integerConstraintsNoNaN.max);163 }164 })165 );166 });167 it('should properly convert the extra value to NaN', () =>168 fc.assert(169 fc.property(170 floatConstraints(withNaNRecordConstraints),171 fc.option(fc.integer({ min: 2 }), { nil: undefined }),172 (ct, biasFactor) => {173 // Arrange174 // Setup mocks for integer175 const { instance: mrng } = fakeRandom();176 const arbitraryGenerated = { value: Number.NaN };177 const integer = spyIntegerWithValue(() => arbitraryGenerated.value);178 // Call float next to find out the value required for NaN179 float({ ...ct, noNaN: true });180 const arb = float(ct);181 // Extract NaN "index"182 const { min: minNonNaN } = integer.mock.calls[0][0]!;183 const { min: minNaN, max: maxNaN } = integer.mock.calls[1][0]!;184 const indexForNaN = minNonNaN !== minNaN ? minNaN : maxNaN;185 if (indexForNaN === undefined) throw new Error('No value available for NaN');186 arbitraryGenerated.value = indexForNaN;187 // Act188 const { value_: f } = arb.generate(mrng, biasFactor);189 // Assert190 expect(f).toBe(Number.NaN);191 }192 )193 ));194 });195 describe('without NaN', () => {196 // eslint-disable-next-line @typescript-eslint/no-unused-vars197 const { noNaN, ...noNaNRecordConstraints } = defaultFloatRecordConstraints;198 it('should ask integers between the indexes corresponding to min and max', () => {199 fc.assert(200 fc.property(floatConstraints(noNaNRecordConstraints), (ctDraft) => {201 // Arrange202 const ct = { ...ctDraft, noNaN: true };203 const integer = spyInteger();204 const { min, max } = minMaxForConstraints(ct);205 const minIndex = floatToIndex(min);206 const maxIndex = floatToIndex(max);207 // Act208 float(ct);209 // Assert210 expect(integer).toHaveBeenCalledTimes(1);211 expect(integer).toHaveBeenCalledWith({ min: minIndex, max: maxIndex });212 })213 );214 });215 });216});217describe('float (integration)', () => {218 type Extra = FloatConstraints | undefined;219 const extraParameters: fc.Arbitrary<Extra> = fc.option(floatConstraints(), { nil: undefined });220 const isCorrect = (v: number, extra: Extra) => {221 expect(typeof v).toBe('number'); // should always produce numbers222 expect(is32bits(v)).toBe(true); // should always produce 32-bit floats223 if (extra === undefined) {224 return; // no other constraints225 }226 if (extra.noNaN) {227 expect(v).not.toBe(Number.NaN); // should not produce NaN if explicitely asked not too228 }229 if (extra.min !== undefined && !Number.isNaN(v)) {230 expect(v).toBeGreaterThanOrEqual(extra.min); // should always be greater than min when specified231 }232 if (extra.max !== undefined && !Number.isNaN(v)) {233 expect(v).toBeLessThanOrEqual(extra.max); // should always be smaller than max when specified234 }235 if (extra.noDefaultInfinity) {236 if (extra.min === undefined) {237 expect(v).not.toBe(Number.NEGATIVE_INFINITY); // should not produce -infinity when noInfinity and min unset238 }239 if (extra.max === undefined) {240 expect(v).not.toBe(Number.POSITIVE_INFINITY); // should not produce +infinity when noInfinity and max unset241 }242 }243 };244 const isStrictlySmaller = (fa: number, fb: number) =>245 Math.abs(fa) < Math.abs(fb) || // Case 1: abs(a) < abs(b)246 (Object.is(fa, +0) && Object.is(fb, -0)) || // Case 2: +0 < -0 --> we shrink from -0 to +0247 (!Number.isNaN(fa) && Number.isNaN(fb)); // Case 3: notNaN < NaN, NaN is one of the extreme values248 const floatBuilder = (extra: Extra) => float(extra);249 it('should produce the same values given the same seed', () => {250 assertProduceSameValueGivenSameSeed(floatBuilder, { extraParameters });251 });252 it('should only produce correct values', () => {253 assertProduceCorrectValues(floatBuilder, isCorrect, { extraParameters });254 });255 it('should produce values seen as shrinkable without any context', () => {256 assertProduceValuesShrinkableWithoutContext(floatBuilder, { extraParameters });257 });258 it('should be able to shrink to the same values without initial context', () => {259 assertShrinkProducesSameValueWithoutInitialContext(floatBuilder, { extraParameters });260 });261 it('should preserve strictly smaller ordering in shrink', () => {262 assertShrinkProducesStrictlySmallerValue(floatBuilder, isStrictlySmaller, { extraParameters });263 });264});265// Helpers266function spyInteger() {267 const { instance, map } = fakeArbitrary<number>();268 const { instance: mappedInstance } = fakeArbitrary();269 const integer = jest.spyOn(IntegerMock, 'integer');270 integer.mockReturnValue(instance);271 map.mockReturnValue(mappedInstance);272 return integer;273}274function spyIntegerWithValue(value: () => number) {275 const { instance } = fakeArbitraryStaticValue<number>(value);276 const integer = jest.spyOn(IntegerMock, 'integer');277 integer.mockReturnValue(instance);278 return integer;...
Using AI Code Generation
1const { indexForNaN } = require('fast-check-monorepo');2console.log(indexForNaN([1, 2, 3, NaN, 5, 6, 7, 8, 9, 10]));3console.log(indexForNaN([1, 2, 3, NaN, 5, 6, 7, 8, 9, 10], 5));4console.log(indexForNaN([1, 2, 3, NaN, 5, 6, 7, 8, 9, 10], 5));5console.log(indexForNaN([1, 2, 3, NaN, 5, 6, 7, 8, 9, 10], 5));6console.log(indexForNaN([1, 2, 3, NaN, 5, 6, 7,
Using AI Code Generation
1const { indexForNaN } = require('fast-check');2console.log('indexForNaN', indexForNaN);3const { indexForNaN } = require('fast-check-monorepo');4console.log('indexForNaN', indexForNaN);5const { indexForNaN } = require('fast-check-monorepo');6console.log('indexForNaN', indexForNaN);7const { indexForNaN } = require('fast-check-monorepo');8console.log('indexForNaN', indexForNaN);9const { indexForNaN } = require('fast-check-monorepo');10console.log('indexForNaN', indexForNaN);11const { indexForNaN } = require('fast-check-monorepo');12console.log('indexForNaN', indexForNaN);13const { indexForNaN } = require('fast-check-monorepo');14console.log('indexForNaN', indexForNaN);15const { indexForNaN } = require('fast-check-monorepo');16console.log('indexForNaN', indexForNaN);17const { indexForNaN } = require('fast-check-monorepo');18console.log('indexForNaN', indexForNaN);19const { indexForNaN } = require('fast-check-monorepo');20console.log('indexForNaN', indexForNaN);21const { indexForNaN } = require('fast-check-monorepo');22console.log('indexForNaN', indexForNaN);23const { indexForNaN } = require('fast-check-monorepo');24console.log('indexForNaN', indexForNaN);25const { indexForNaN } = require('
Using AI Code Generation
1import * as fc from "fast-check";2import { indexForNaN } from "fast-check";3const index = indexForNaN([NaN, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]);4console.log(index);5import * as fc from "fast-check";6import { indexForNaN } from "fast-check";7const index = indexForNaN([NaN, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]);8console.log(index);9import * as fc from "fast-check";10import { indexForNaN } from "fast-check";11const index = indexForNaN([NaN, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]);12console.log(index);13import * as fc from "fast-check";14import { indexForNaN } from "fast-check";15const index = indexForNaN([NaN, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]);16console.log(index);17import * as fc from "fast-check";18import { indexForNaN } from "fast-check";19const index = indexForNaN([NaN, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]);20console.log(index);
Using AI Code Generation
1const indexForNaN = require("fast-check-monorepo");2const arr = [1,2,3,4,5,NaN,7,8,9,10];3console.log(indexForNaN(arr));4const indexForNaN = require("fast-check-monorepo");5const arr = [1,2,3,4,5,6,7,8,9,10];6console.log(indexForNaN(arr));7const indexForNaN = require("fast-check-monorepo");8const arr = [1,2,3,4,5,6,7,8,9,10,NaN];9console.log(indexForNaN(arr));10const indexForNaN = require("fast-check-monorepo");11const arr = [1,2,3,4,5,6,7,8,9,10,NaN,NaN];12console.log(indexForNaN(arr));
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.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run fast-check-monorepo automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
