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How to use validIntegerConstraintsArb method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

TypedIntArrayArbitraryBuilder.spec.ts

Source:TypedIntArrayArbitraryBuilder.spec.ts

...46  it('should properly distribute constraints accross arbitraries when receiving valid ones', () => {47    fc.assert(48      fc.property(49        validArrayConstraintsArb(),50        validIntegerConstraintsArb(-128, 127),51        (arrayConstraints, integerConstraints) => {52          // Arrange53          const array = jest.spyOn(ArrayMock, 'array');54          const { instance: arrayInstance } = fakeArbitraryStaticValue<unknown[]>(() => []);55          array.mockReturnValue(arrayInstance);56          const constraints = { ...arrayConstraints, ...integerConstraints };57          const defaultMin = -128;58          const defaultMax = 127;59          const TypedArrayClass = Int8Array;60          const arbitraryBuilder = jest.fn();61          const { instance: arbitraryInstance } = fakeArbitrary<number>();62          arbitraryBuilder.mockReturnValue(arbitraryInstance);63          // Act64          typedIntArrayArbitraryArbitraryBuilder(65            constraints,66            defaultMin,67            defaultMax,68            TypedArrayClass,69            arbitraryBuilder70          );71          // Assert72          expect(arbitraryBuilder).toHaveBeenLastCalledWith({73            min: defaultMin,74            max: defaultMax,75            ...integerConstraints,76          });77        }78      )79    );80  });81  it('should reject invalid integer ranges', () => {82    fc.assert(83      fc.property(84        validArrayConstraintsArb(),85        invalidIntegerConstraintsArb(-128, 127),86        (arrayConstraints, integerConstraints) => {87          // Arrange88          const array = jest.spyOn(ArrayMock, 'array');89          const { instance: arrayInstance } = fakeArbitraryStaticValue<unknown[]>(() => []);90          array.mockReturnValue(arrayInstance);91          const constraints = { ...arrayConstraints, ...integerConstraints };92          const defaultMin = -128;93          const defaultMax = 127;94          const TypedArrayClass = Int8Array;95          const arbitraryBuilder = jest.fn();96          const { instance: arbitraryInstance } = fakeArbitrary<number>();97          arbitraryBuilder.mockReturnValue(arbitraryInstance);98          // Act / Assert99          expect(() =>100            typedIntArrayArbitraryArbitraryBuilder(101              constraints,102              defaultMin,103              defaultMax,104              TypedArrayClass,105              arbitraryBuilder106            )107          ).toThrowError();108        }109      )110    );111  });112});113describe('typedIntArrayArbitraryArbitraryBuilder (integration)', () => {114  type Extra = { minLength?: number; maxLength?: number; min?: number; max?: number };115  const extraParameters: fc.Arbitrary<Extra> = fc116    .record(117      {118        minLength: fc.nat({ max: 5 }),119        maxLength: fc.nat({ max: 25 }),120        min: fc.integer({ min: -128, max: 127 }),121        max: fc.integer({ min: -128, max: 127 }),122      },123      { requiredKeys: [] }124    )125    .map((rawConstraints) => {126      const constraints = { ...rawConstraints };127      if ('minLength' in constraints && 'maxLength' in constraints && constraints.minLength! > constraints.maxLength!) {128        [constraints.minLength, constraints.maxLength] = [constraints.maxLength, constraints.minLength];129      }130      if ('min' in constraints && 'max' in constraints && constraints.min! > constraints.max!) {131        [constraints.min, constraints.max] = [constraints.max, constraints.min];132      }133      return constraints;134    });135  const isCorrect = (value: Int8Array, extra: Extra) => {136    expect(value).toBeInstanceOf(Int8Array);137    if ('minLength' in extra) {138      expect(value.length).toBeGreaterThanOrEqual(extra.minLength!);139    }140    if ('maxLength' in extra) {141      expect(value.length).toBeLessThanOrEqual(extra.maxLength!);142    }143  };144  const typedIntArrayArbitraryArbitraryBuilderBuilder = (extra: Extra) =>145    typedIntArrayArbitraryArbitraryBuilder(146      extra,147      -128,148      127,149      Int8Array,150      ({ min = 0, max = min }) => new FakeIntegerArbitrary(min, max - min)151    );152  it('should produce the same values given the same seed', () => {153    assertProduceSameValueGivenSameSeed(typedIntArrayArbitraryArbitraryBuilderBuilder, { extraParameters });154  });155  it('should only produce correct values', () => {156    assertProduceCorrectValues(typedIntArrayArbitraryArbitraryBuilderBuilder, isCorrect, { extraParameters });157  });158  it('should produce values seen as shrinkable without any context', () => {159    assertProduceValuesShrinkableWithoutContext(typedIntArrayArbitraryArbitraryBuilderBuilder, { extraParameters });160  });161  it('should be able to shrink to the same values without initial context', () => {162    assertShrinkProducesSameValueWithoutInitialContext(typedIntArrayArbitraryArbitraryBuilderBuilder, {163      extraParameters,164    });165  });166});167// Helpers168function defaultsMinMaxTypedInt8Arb() {169  return fc170    .tuple(fc.integer({ min: -128, max: 127 }), fc.integer({ min: -128, max: 127 }))171    .map(([defaultA, defaultB]) => ({172      defaultMin: Math.min(defaultA, defaultB),173      defaultMax: Math.min(defaultA, defaultB),174      TypedArrayClass: Int8Array,175    }));176}177function validArrayConstraintsArb() {178  return fc.record({ minLength: fc.nat(), maxLength: fc.nat() }, { withDeletedKeys: true }).map((ct) => {179    if (ct.minLength !== undefined && ct.maxLength !== undefined && ct.minLength > ct.maxLength) {180      return { minLength: ct.maxLength, maxLength: ct.minLength };181    }182    return ct;183  });184}185function validIntegerConstraintsArb(min: number, max: number) {186  return fc187    .record({ min: fc.integer({ min, max }), max: fc.integer({ min, max }) }, { withDeletedKeys: true })188    .map((ct) => {189      if (ct.min !== undefined && ct.max !== undefined && ct.min > ct.max) {190        return { min: ct.max, max: ct.min };191      }192      return ct;193    });194}195function invalidIntegerConstraintsArb(min: number, max: number) {196  return fc.oneof(197    // min > max198    fc199      .record({ min: fc.integer({ min, max }), max: fc.integer({ min, max }) })200      .filter(({ min, max }) => min !== max)201      .map((ct) => (ct.min < ct.max ? { min: ct.max, max: ct.min } : ct)),202    // min < lowest203    fc.record({ min: fc.integer({ min: Number.MIN_SAFE_INTEGER, max: min - 1 }) }),204    fc.record({ min: fc.integer({ min: Number.MIN_SAFE_INTEGER, max: min - 1 }), max: fc.integer({ min, max }) }),205    // max > highest206    fc.record({ min: fc.integer({ min, max }), max: fc.integer({ min: max + 1, max: Number.MAX_SAFE_INTEGER }) }),207    fc.record({ max: fc.integer({ min: max + 1, max: Number.MAX_SAFE_INTEGER }) })208  );209}

Using AI Code Generation

1const fc = require('fast-check');2const { validIntegerConstraintsArb } = require('fast-check-monorepo');3fc.assert(4  fc.property(validIntegerConstraintsArb(), (constraints) => {5    console.log(constraints);6    return true;7  })8);9const fc = require('fast-check');10const { validIntegerConstraintsArb } = require('fast-check-monorepo');11fc.assert(12  fc.property(validIntegerConstraintsArb(), (constraints) => {13    console.log(constraints);14    return true;15  })16);17const fc = require('fast-check');18const { validIntegerConstraintsArb } = require('fast-check-monorepo');19fc.assert(20  fc.property(validIntegerConstraintsArb(), (constraints) => {21    console.log(constraints);22    return true;23  })24);25const fc = require('fast-check');26const { validIntegerConstraintsArb } = require('fast-check-monorepo');27fc.assert(28  fc.property(validIntegerConstraintsArb(), (constraints) => {29    console.log(constraints);30    return true;31  })32);33const fc = require('fast-check');34const { validIntegerConstraintsArb } = require('fast-check-monorepo');35fc.assert(36  fc.property(validIntegerConstraintsArb(), (constraints) => {37    console.log(constraints);38    return true;39  })40);

Using AI Code Generation

1import { validIntegerConstraintsArb } from "fast-check-monorepo";2import { validIntegerConstraintsArb } from "fast-check-monorepo";3import { validIntegerConstraintsArb } from "fast-check-monorepo";4import { validIntegerConstraintsArb } from "fast-check-monorepo";5import { validIntegerConstraintsArb } from "fast-check-monorepo";6import { validIntegerConstraintsArb } from "fast-check-monorepo";7import { validIntegerConstraintsArb } from "fast-check-monorepo";8import { validIntegerConstraintsArb } from "fast-check-monorepo";9import { validIntegerConstraintsArb } from "fast-check-monorepo";10import { validIntegerConstraintsArb } from "fast-check-monorepo";11import { validIntegerConstraintsArb } from "fast-check-monorepo";12import { validIntegerConstraintsArb } from "fast-check-monorepo";13import { validIntegerConstraintsArb } from "fast-check-monorepo";14import { validIntegerConstraintsArb } from "fast-check-monorepo";

Using AI Code Generation

1const fc = require('fast-check');2const {validIntegerConstraintsArb} = require('fast-check-monorepo');3fc.assert(4  fc.property(5    fc.tuple(validIntegerConstraintsArb(), validIntegerConstraintsArb()),6    ([a, b]) => {7      return a <= b;8    },9);10const fc = require('fast-check');11const validIntegerConstraintsArb = () =>12  fc.integer({min: 0, max: 1000});13module.exports = {14};

Using AI Code Generation

1const { validIntegerConstraintsArb } = require('fast-check-monorepo');2const constraints = {3};4const fc = require('fast-check');5const arb = validIntegerConstraintsArb(constraints);6fc.assert(fc.property(arb, (v) => {7    return v >= 0 && v <= 10 && v !== Number.POSITIVE_INFINITY && v !== Number.NEGATIVE_INFINITY && v !== 0;8}));

Using AI Code Generation

1const { validIntegerConstraintsArb } = require('fast-check');2const { validIntegerConstraintsArb } = require('fast-check-monorepo');3const { validIntegerConstraintsArb } = require('fast-check-monorepo');4const { validIntegerConstraintsArb } = require('fast-check-monorepo');5const { validIntegerConstraintsArb } = require('fast-check-monorepo');6const { validIntegerConstraintsArb } = require('fast-check-monorepo');7const { validIntegerConstraintsArb } = require('fast-check-monorepo');8const { validIntegerConstraintsArb } = require('fast-check-monorepo');9const { validIntegerConstraintsArb } = require('fast-check-monorepo');10const { validIntegerConstraintsArb } = require('fast-check-monorepo');11const { validIntegerConstraintsArb } = require('fast-check-monorepo');12const { validIntegerConstraintsArb } = require('fast-check-monorepo');13const { validIntegerConstraintsArb } = require('fast-check-monorepo');14const { validIntegerConstraintsArb } = require('fast-check-monorepo');15const { validIntegerConstraintsArb } = require('fast-check-monorepo');16const { validIntegerConstraintsArb }

Using AI Code Generation

1const {2} = require("fast-check-monorepo/lib/src/check/arbitrary/IntegerArbitrary");3describe("test", () => {4  it("test", () => {5    const arb = validIntegerConstraintsArb();6    arb.sample().forEach((value) => {7      console.log(value);8    });9  });10});11{12  "scripts": {13  },14  "dependencies": {15  },16  "devDependencies": {17  }18}19const {20} = require("fast-check-monorepo/lib/src/check/arbitrary/IntegerArbitrary");21describe("test", () => {22  it("test", () => {23    const arb = validIntegerConstraintsArb();24    arb.sample().forEach((value) => {25      console.log(value);26    });27  });28});29const {30} = require("fast-check-monorepo/lib/src/check/arbitrary/IntegerArbitrary");31describe("test", () => {32  it("test", () => {33    const arb = validIntegerConstraintsArb();34    arb.sample().forEach((value) => {35      console.log(value);36    });37  });38});

Using AI Code Generation

1const fc = require('fast-check');2const { validIntegerConstraintsArb } = require('fast-check-monorepo');3fc.assert(4    fc.property(validIntegerConstraintsArb(), (constraints) => {5        return true;6    })7const fc = require('fast-check');8const { validIntegerConstraintsArb } = require('fast-check-monorepo');9fc.assert(10    fc.property(validIntegerConstraintsArb(), (constraints) => {11        return true;12    })13const fc = require('fast-check');14const { validIntegerConstraintsArb } = require('fast-check-monorepo');15fc.assert(16    fc.property(validIntegerConstraintsArb(), (constraints) => {17        return true;18    })19const fc = require('fast-check');20const { validIntegerConstraintsArb } = require('fast-check-monorepo');21fc.assert(22    fc.property(validIntegerConstraintsArb(), (constraints) => {23        return true;24    })

Using AI Code Generation

1const fc = require("fast-check");2const { validIntegerConstraintsArb } = require("./test.js");3const validIntegerConstraints = validIntegerConstraintsArb();4fc.assert(5  fc.property(validIntegerConstraints, (constraints) => {6  })7);

Using AI Code Generation

1import { validIntegerConstraintsArb } from 'fast-check-monorepo';2import { generate } from 'fast-check';3import { validIntegerConstraints } from 'fast-check-monorepo';4generate(validIntegerConstraintsArb()).then((constraints) => {5  console.log(constraints);6});7generate(validIntegerConstraintsArb({ min: 0, max: 100 })).then((constraints) => {8  console.log(constraints);9});10generate(validIntegerConstraintsArb({ min: 0, max: 100, numConstraints: 3 })).then((constraints) => {11  console.log(constraints);12});13generate(14  validIntegerConstraintsArb({ min: 0, max: 100, numConstraints: 3, numValues: 2 })15).then((constraints) => {16  console.log(constraints);17});18generate(19  validIntegerConstraintsArb({20  })21).then((constraints) => {22  console.log(constraints);23});24generate(25  validIntegerConstraintsArb({26  })27).then((constraints) => {28  console.log(constraints);29});

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