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How to use SubarrayArbitraryBuilder method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

SubarrayArbitrary.spec.ts

Source:SubarrayArbitrary.spec.ts

1import * as fc from 'fast-check';2import { SubarrayArbitrary } from '../../../../src/arbitrary/_internals/SubarrayArbitrary';3import {4  assertProduceSameValueGivenSameSeed,5  assertProduceCorrectValues,6  assertProduceValuesShrinkableWithoutContext,7  assertShrinkProducesSameValueWithoutInitialContext,8  assertShrinkProducesStrictlySmallerValue,9} from '../__test-helpers__/ArbitraryAssertions';10function beforeEachHook() {11  jest.resetModules();12  jest.restoreAllMocks();13  fc.configureGlobal({ beforeEach: beforeEachHook });14}15beforeEach(beforeEachHook);16describe('SubarrayArbitrary', () => {17  describe('constructor', () => {18    it('should raise an error whenever minLength is below zero', () => {19      fc.assert(20        fc.property(21          fc.array(fc.integer()),22          fc.nat(),23          fc.nat(),24          fc.boolean(),25          (originalArray, minLengthSeed, maxLengthSeed, isOrdered) => {26            // Arrange27            const minLength = -minLengthSeed - 1;28            const maxLength = maxLengthSeed % (originalArray.length + 1);29            // Act / Assert30            expect(() => {31              new SubarrayArbitrary(originalArray, isOrdered, minLength, maxLength);32            }).toThrowError(/minimal length to be between 0/);33          }34        )35      );36    });37    it('should raise an error whenever minLength is greater than array size', () => {38      fc.assert(39        fc.property(40          fc.array(fc.integer()),41          fc.nat(),42          fc.nat(),43          fc.boolean(),44          (originalArray, minLengthOffsetToLength, maxLengthSeed, isOrdered) => {45            // Arrange46            const minLength = originalArray.length + minLengthOffsetToLength + 1;47            const maxLength = maxLengthSeed % (originalArray.length + 1);48            // Act / Assert49            expect(() => {50              new SubarrayArbitrary(originalArray, isOrdered, minLength, maxLength);51            }).toThrowError(/minimal length to be between 0/);52          }53        )54      );55    });56    it('should raise an error whenever maxLength is below zero', () => {57      fc.assert(58        fc.property(59          fc.array(fc.integer()),60          fc.nat(),61          fc.nat(),62          fc.boolean(),63          (originalArray, maxLengthSeed, minLengthSeed, isOrdered) => {64            // Arrange65            const minLength = minLengthSeed % (originalArray.length + 1);66            const maxLength = -maxLengthSeed - 1;67            // Act / Assert68            expect(() => {69              new SubarrayArbitrary(originalArray, isOrdered, minLength, maxLength);70            }).toThrowError(/maximal length to be between 0/);71          }72        )73      );74    });75    it('should raise an error whenever maxLength is greater than array size', () => {76      fc.assert(77        fc.property(78          fc.array(fc.integer()),79          fc.nat(),80          fc.nat(),81          fc.boolean(),82          (originalArray, maxLengthOffsetToLength, minLengthSeed, isOrdered) => {83            // Arrange84            const minLength = minLengthSeed % (originalArray.length + 1);85            const maxLength = originalArray.length + maxLengthOffsetToLength + 1;86            // Act / Assert87            expect(() => {88              new SubarrayArbitrary(originalArray, isOrdered, minLength, maxLength);89            }).toThrowError(/maximal length to be between 0/);90          }91        )92      );93    });94    it('should raise an error whenever minLength is greater than maxLength', () => {95      fc.assert(96        fc.property(97          fc98            .tuple(fc.nat(100), fc.nat(100))99            .map(([a, b]) => (a < b ? [a, b] : [b, a]))100            .filter(([a, b]) => a !== b),101          fc.nat(100),102          fc.boolean(),103          (minMax, offset, isOrdered) => {104            // Arrange105            const [maxLength, minLength] = minMax;106            const originalArray = [...Array(minMax[1] + offset)].map((_) => 0);107            // Act / Assert108            expect(() => {109              new SubarrayArbitrary(originalArray, isOrdered, minLength, maxLength);110            }).toThrowError(/minimal length to be inferior or equal to the maximal length/);111          }112        )113      );114    });115    it('should accept any valid combination of inputs', () => {116      fc.assert(117        fc.property(118          fc119            .tuple(fc.nat(100), fc.nat(100))120            .map(([a, b]) => (a < b ? [a, b] : [b, a]))121            .filter(([a, b]) => a !== b),122          fc.nat(100),123          fc.boolean(),124          (minMax, offset, isOrdered) => {125            // Arrange126            const [minLength, maxLength] = minMax;127            const originalArray = [...Array(minMax[1] + offset)].map((_) => 0);128            // Act / Assert129            expect(() => {130              new SubarrayArbitrary(originalArray, isOrdered, minLength, maxLength);131            }).not.toThrow();132          }133        )134      );135    });136  });137});138describe('SubarrayArbitrary (integration)', () => {139  type Extra = {140    data: number[];141    isOrdered: boolean;142    minLength: number;143    maxLength: number;144  };145  const extraParameters: fc.Arbitrary<Extra> = fc146    .record({147      data: fc.array(fc.integer()),148      isOrdered: fc.boolean(),149      lengthA: fc.nat(),150      lengthB: fc.nat(),151    })152    .map((ct) => {153      const rescaledLengthA = ct.lengthA % (ct.data.length + 1);154      const rescaledLengthB = ct.lengthB % (ct.data.length + 1);155      return {156        data: ct.data,157        isOrdered: ct.isOrdered,158        minLength: Math.min(rescaledLengthA, rescaledLengthB),159        maxLength: Math.max(rescaledLengthA, rescaledLengthB),160      };161    });162  const isCorrect = (arr: number[], ct: Extra) => {163    expect(arr.length).toBeGreaterThanOrEqual(ct.minLength);164    expect(arr.length).toBeLessThanOrEqual(ct.maxLength);165    if (ct.isOrdered) expect(isOrderedSubarray(ct.data, arr)).toBe(true);166    else expect(isSubarray(ct.data, arr)).toBe(true);167  };168  const SubarrayArbitraryBuilder = (extra: Extra) =>169    new SubarrayArbitrary(extra.data, extra.isOrdered, extra.minLength, extra.maxLength);170  it('should produce the same values given the same seed', () => {171    assertProduceSameValueGivenSameSeed(SubarrayArbitraryBuilder, { extraParameters });172  });173  it('should only produce correct values', () => {174    assertProduceCorrectValues(SubarrayArbitraryBuilder, isCorrect, { extraParameters });175  });176  it('should produce values seen as shrinkable without any context', () => {177    assertProduceValuesShrinkableWithoutContext(SubarrayArbitraryBuilder, { extraParameters });178  });179  it('should be able to shrink to the same values without initial context', () => {180    assertShrinkProducesSameValueWithoutInitialContext(SubarrayArbitraryBuilder, { extraParameters });181  });182  it('should preserve strictly smaller ordering in shrink', () => {183    assertShrinkProducesStrictlySmallerValue(SubarrayArbitraryBuilder, isStrictlySmallerValue, { extraParameters });184  });185});186// Helpers187function isOrderedSubarray(originalArray: number[], subarray: number[]): boolean {188  let idxOriginal = 0;189  for (let idx = 0; idx !== subarray.length; ++idx) {190    while (originalArray[idxOriginal] !== subarray[idx]) {191      ++idxOriginal;192      if (idxOriginal >= originalArray.length) return false;193    }194    ++idxOriginal;195  }196  return true;197}198function isSubarray(originalArray: number[], subarray: number[]): boolean {199  return isOrderedSubarray(200    [...originalArray].sort((a, b) => a - b),201    [...subarray].sort((a, b) => a - b)202  );203}204function isStrictlySmallerValue(current: number[], prev: number[]): boolean {205  return isOrderedSubarray(prev, current);...

Using AI Code Generation

1import { SubarrayArbitraryBuilder } from 'fast-check';2const arb = new SubarrayArbitraryBuilder([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);3console.log(arb.build());4import { SubarrayArbitraryBuilder } from 'fast-check/lib/check/arbitrary/SubarrayArbitraryBuilder';5const arb = new SubarrayArbitraryBuilder([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);6console.log(arb.build());7import { SubarrayArbitraryBuilder } from 'fast-check/lib/arbitrary/SubarrayArbitraryBuilder';8import { SubarrayArbitraryBuilder } from 'fast-check/lib/arbitrary/SubarrayArbitraryBuilder';9import { SubarrayArbitraryBuilder } from 'fast-check/lib/arbitrary/SubarrayArbitraryBuilder';10import { SubarrayArbitraryBuilder } from 'fast-check/lib/arbitrary

Using AI Code Generation

1const fc = require('fast-check');2const { SubarrayArbitraryBuilder } = require('fast-check/lib/arbitrary/SubarrayArbitraryBuilder.js');3const { array } = require('fast-check/lib/arbitrary/array.js');4const { string } = require('fast-check/lib/arbitrary/string.js');5const { set } = require('fast-check/lib/arbitrary/set.js');6const subarrayArbitraryBuilder = new SubarrayArbitraryBuilder();7  .array(array(string()))8  .subarray(set(string()))9  .build();10fc.assert(11  fc.property(subarrayArbitrary, ([subarray, array]) => {12    return subarray.every((v) => array.includes(v));13  })14);15    at SubarrayArbitraryBuilder.build (C:\Users\user\Documents\fast-check-monorepo\fast-check\lib\arbitrary\SubarrayArbitraryBuilder.js:34:38)16    at Object.<anonymous> (C:\Users\user\Documents\fast-check-monorepo\test.js:10:45)17    at Module._compile (internal/modules/cjs/loader.js:1063:30)18    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)19    at Module.load (internal/modules/cjs/loader.js:928:32)20    at Function.Module._load (internal/modules/cjs/loader.js:769:14)21    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:72:12)

Using AI Code Generation

1const { SubarrayArbitraryBuilder } = require('fast-check');2const arb = SubarrayArbitraryBuilder()3  .withMinSize(0)4  .withMaxSize(5)5  .withUnique(true)6  .withValues([1, 2, 3, 4, 5])7  .build();8arb.generate(1).then((v) => console.log(v));9const { SubarrayArbitraryBuilder } = require('fast-check');10const arb = SubarrayArbitraryBuilder()11  .withMinSize(0)12  .withMaxSize(5)13  .withUnique(false)14  .withValues([1, 2, 3, 4, 5])15  .build();16arb.generate(1).then((v) => console.log(v));17const { SubarrayArbitraryBuilder } = require('fast-check');18const arb = SubarrayArbitraryBuilder()19  .withMinSize(0)20  .withMaxSize(5)21  .withUnique(true)22  .withValues([1, 2, 3, 4, 5])23  .build();24arb.generate(1).then((v) => console.log(v));25const { SubarrayArbitraryBuilder } = require('fast-check');26const arb = SubarrayArbitraryBuilder()27  .withMinSize(0)28  .withMaxSize(5)29  .withUnique(false)30  .withValues([1, 2, 3, 4, 5])31  .build();32arb.generate(1).then((v) => console.log(v));33const { SubarrayArbitrary

Using AI Code Generation

1const {SubarrayArbitraryBuilder} = require('fast-check');2const {array} = require('fast-check');3const {string} = require('fast-check');4const {option} = require('fast-check');5const subarray = (arr) => {6    const builder = new SubarrayArbitraryBuilder();7    return builder.from(arr).build();8};9const testSubarray = () => {10    const testArray = array(string(), 1, 10);11    const testSubarray = subarray(testArray);12    const testOption = option(testSubarray);13    return testOption;14};15const testSubarray2 = () => {16    const testArray = array(string(), 1, 10);17    const testSubarray = subarray(testArray);18    const testOption = option(testSubarray);19    return testOption;20};21const testSubarray3 = () => {22    const testArray = array(string(), 1, 10);23    const testSubarray = subarray(testArray);24    const testOption = option(testSubarray);25    return testOption;26};27const testSubarray4 = () => {28    const testArray = array(string(), 1, 10);29    const testSubarray = subarray(testArray);30    const testOption = option(testSubarray);31    return testOption;32};33const testSubarray5 = () => {34    const testArray = array(string(), 1, 10);35    const testSubarray = subarray(testArray);36    const testOption = option(testSubarray);37    return testOption;38};39const testSubarray6 = () => {40    const testArray = array(string(), 1, 10);41    const testSubarray = subarray(testArray);42    const testOption = option(testSubarray);43    return testOption;44};45const testSubarray7 = () => {46    const testArray = array(string(), 1, 10);

Using AI Code Generation

1import { SubarrayArbitraryBuilder } from 'fast-check';2const builder = new SubarrayArbitraryBuilder();3  .withSubarrayLength(5)4  .withSubarrayLength(10)5  .withSubarrayLength(15)6  .withSubarrayLength(20)7  .build();8  .withSubarrayLength(5)9  .withSubarrayLength(10)10  .withSubarrayLength(15)11  .withSubarrayLength(20)12  .build();13  .withSubarrayLength(5)14  .withSubarrayLength(10)15  .withSubarrayLength(15)16  .withSubarrayLength(20)17  .build();18  .withSubarrayLength(5)19  .withSubarrayLength(10)20  .withSubarrayLength(15)21  .withSubarrayLength(20)22  .build();23  .withSubarrayLength(5)24  .withSubarrayLength(10)25  .withSubarrayLength(15)26  .withSubarrayLength(20)27  .build();28  .withSubarrayLength(5)29  .withSubarrayLength(10)30  .withSubarrayLength(15)31  .withSubarrayLength(20)32  .build();33  .withSubarrayLength(5)34  .withSubarrayLength(10)35  .withSubarrayLength(15)36  .withSubarrayLength(20)37  .build();38  .withSubarrayLength(5)39  .withSubarrayLength(10)40  .withSubarrayLength(15)41  .withSubarrayLength(20)42  .build();43  .withSubarrayLength(5)44  .withSubarrayLength(10)45  .withSubarrayLength(15)46  .withSubarrayLength(20)47  .build();48  .withSubarrayLength(5)49  .withSubarrayLength(10)50  .withSubarrayLength(15)51  .withSubarrayLength(20

Using AI Code Generation

1import { subarray } from 'fast-check';2const subarrayArbitrary = subarray(3);4const subarrayArbitrary = subarray(5);6subarrayArbitrary.sample().forEach((a) => console.log(a));

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