How to use computedIndexNaN method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

IndexToMappedConstant.spec.ts

Source:IndexToMappedConstant.spec.ts Github

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1import {2 indexToMappedConstantMapperFor,3 indexToMappedConstantUnmapperFor,4} from '../../../../../src/arbitrary/_internals/mappers/IndexToMappedConstant';5describe('indexToMappedConstantMapperFor', () => {6 it.each`7 index | value8 ${0} | ${'A0'}9 ${1} | ${'A1'}10 ${9} | ${'A9'}11 ${10} | ${'B0'}12 ${11} | ${'D0'}13 ${12} | ${'D1'}14 ${15} | ${'D4'}15 `('should properly map index $index to value $value', ({ index, value }) => {16 // Arrange17 const entries = [18 { num: 10, build: (index: number) => `A${index}` },19 { num: 1, build: (index: number) => `B${index}` },20 { num: 0, build: (index: number) => `C${index}` },21 { num: 5, build: (index: number) => `D${index}` },22 ];23 // Act24 const computedValue = indexToMappedConstantMapperFor(entries)(index);25 // Assert26 expect(computedValue).toBe(value);27 });28});29describe('indexToMappedConstantUnmapperFor', () => {30 it.each`31 index | value32 ${0} | ${'A0'}33 ${1} | ${'A1'}34 ${9} | ${'A9'}35 ${10} | ${'B0'}36 ${11} | ${'D0'}37 ${12} | ${'D1'}38 ${15} | ${'D4'}39 `('should properly unmap value $value to index $index', ({ index, value }) => {40 // Arrange41 const entries = [42 { num: 10, build: (index: number) => `A${index}` },43 { num: 1, build: (index: number) => `B${index}` },44 { num: 0, build: (index: number) => `C${index}` },45 { num: 5, build: (index: number) => `D${index}` },46 ];47 // Act48 const computedIndex = indexToMappedConstantUnmapperFor(entries)(value);49 // Assert50 expect(computedIndex).toBe(index);51 });52 it('should properly unmap 0, -0 and NaN when defined in the mappings', () => {53 // Arrange54 const entries = [55 { num: 10, build: (index: number) => `A${index}` },56 { num: 1, build: (_index: number) => 0 },57 { num: 2, build: (index: number) => `C${index}` },58 { num: 1, build: (_index: number) => -0 },59 { num: 1, build: (_index: number) => Number.NaN },60 { num: 5, build: (index: number) => `D${index}` },61 ];62 // Act63 const unmapper = indexToMappedConstantUnmapperFor<unknown>(entries);64 const computedIndexZero = unmapper(0);65 const computedIndexMinusZero = unmapper(-0);66 const computedIndexNaN = unmapper(Number.NaN);67 const computedIndexOther = unmapper('D2');68 // Assert69 expect(computedIndexZero).toBe(10);70 expect(computedIndexMinusZero).toBe(13);71 expect(computedIndexNaN).toBe(14);72 expect(computedIndexOther).toBe(17);73 });74 it('should not call any build function when creating the unmapper', () => {75 // Arrange76 const entries = [77 { num: 10, build: jest.fn() },78 { num: 3, build: jest.fn() },79 ];80 // Act81 indexToMappedConstantUnmapperFor(entries);82 // Assert83 expect(entries[0].build).not.toHaveBeenCalled();84 expect(entries[1].build).not.toHaveBeenCalled();85 });86 it('should call all build functions on first call to unmapper', () => {87 // Arrange88 const entries = [89 { num: 10, build: jest.fn().mockReturnValue(0) },90 { num: 3, build: jest.fn().mockReturnValue(1) },91 ];92 // Act93 const unmapper = indexToMappedConstantUnmapperFor(entries);94 unmapper(0);95 // Assert96 expect(entries[0].build).toHaveBeenCalledTimes(entries[0].num);97 expect(entries[1].build).toHaveBeenCalledTimes(entries[1].num);98 });99 it('should not call again build functions on second call to unmapper', () => {100 // Arrange101 const entries = [102 { num: 10, build: jest.fn().mockReturnValue(0) },103 { num: 3, build: jest.fn().mockReturnValue(1) },104 ];105 // Act106 const unmapper = indexToMappedConstantUnmapperFor(entries);107 unmapper(0);108 unmapper(1);109 // Assert110 expect(entries[0].build).toHaveBeenCalledTimes(entries[0].num);111 expect(entries[1].build).toHaveBeenCalledTimes(entries[1].num);112 });...

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Using AI Code Generation

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1import fc from 'fast-check';2import { computedIndexNaN } from 'fast-check-monorepo';3fc.assert(4 fc.property(fc.array(fc.integer()), (arr) => {5 const index = computedIndexNaN(arr);6 return index === -1 || Number.isNaN(arr[index]);7 })8);9{10 "scripts": {11 },12 "dependencies": {13 }14}

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Using AI Code Generation

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1const fc = require("fast-check");2const { computedIndexNaN } = require("fast-check-monorepo");3fc.assert(4 fc.property(fc.array(fc.integer()), fc.nat(), (arr, idx) => {5 const res = computedIndexNaN(arr, idx);6 return res === undefined || (Number.isNaN(res) && Number.isNaN(arr[idx]));7 })8);9const fc = require("fast-check");10const { computedIndexNaN } = require("fast-check-monorepo");11fc.assert(12 fc.property(fc.array(fc.integer()), fc.nat(), (arr, idx) => {13 const res = computedIndexNaN(arr, idx);14 return res === undefined || (Number.isNaN(res) && Number.isNaN(arr[idx]));15 })16);17const fc = require("fast-check");18const { computedIndexNaN } = require("fast-check-monorepo");19fc.assert(20 fc.property(fc.array(fc.integer()), fc.nat(), (arr, idx) => {21 const res = computedIndexNaN(arr, idx);22 return res === undefined || (Number.isNaN(res) && Number.isNaN(arr[idx]));23 })24);25const fc = require("fast-check");26const { computedIndexNaN } = require("fast-check-monorepo");27fc.assert(28 fc.property(fc.array(fc.integer()), fc.nat(), (arr, idx) => {29 const res = computedIndexNaN(arr, idx);30 return res === undefined || (Number.isNaN(res) && Number.isNaN(arr[idx]));31 })32);33const fc = require("fast-check");34const { computedIndexNaN } = require("fast-check-monorepo");35fc.assert(36 fc.property(fc.array(fc.integer()), fc.nat(), (arr, idx) => {37 const res = computedIndexNaN(arr, idx);38 return res === undefined || (Number.isNaN(res) && Number.isNaN(arr[idx]));39 })40);

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Using AI Code Generation

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1const { computedIndexNaN } = require("fast-check-monorepo");2console.log(computedIndexNaN(1, 2));3const { computedIndexNaN } = require("fast-check-monorepo");4console.log(computedIndexNaN(1, 2));5const { computedIndexNaN } = require("fast-check-monorepo");6console.log(computedIndexNaN(1, 2));7const { computedIndexNaN } = require("fast-check-monorepo");8console.log(computedIndexNaN(1, 2));9const { computedIndexNaN } = require("fast-check-monorepo");10console.log(computedIndexNaN(1, 2));11const { computedIndexNaN } = require("fast-check-monorepo");12console.log(computedIndexNaN(1, 2));13const { computedIndexNaN } = require("fast-check-monorepo");14console.log(computedIndexNaN(1, 2));15const { computedIndexNaN } = require("fast-check-monorepo");16console.log(computedIndexNaN(1, 2));17const { computedIndexNaN } = require("fast-check-monorepo");18console.log(computedIndexNaN(1, 2));19const { computedIndexNaN } = require("fast-check-monorepo");20console.log(computedIndexNaN(1, 2));21const { computedIndexNaN } = require("fast-check-monorepo");22console.log(com

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