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How to use computedIndexNaN method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

IndexToMappedConstant.spec.ts

Source:IndexToMappedConstant.spec.ts

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  });...

Using AI Code Generation

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}

Using AI Code Generation

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);

Using AI Code Generation

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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