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How to use refinementOnValue method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

Arbitrary.ts

Source:Arbitrary.ts

...315class FilterArbitrary<T, U extends T> extends Arbitrary<U> {316  readonly bindRefinementOnValue: (v: Value<T>) => v is Value<U>;317  constructor(readonly arb: Arbitrary<T>, readonly refinement: (t: T) => t is U) {318    super();319    this.bindRefinementOnValue = (v: Value<T>): v is Value<U> => this.refinementOnValue(v);320  }321  generate(mrng: Random, biasFactor: number | undefined): Value<U> {322    // eslint-disable-next-line no-constant-condition323    while (true) {324      const g = this.arb.generate(mrng, biasFactor);325      if (this.refinementOnValue(g)) {326        return g;327      }328    }329  }330  canShrinkWithoutContext(value: unknown): value is U {331    return this.arb.canShrinkWithoutContext(value) && this.refinement(value);332  }333  shrink(value: U, context?: unknown): Stream<Value<U>> {334    return this.arb.shrink(value, context).filter(this.bindRefinementOnValue);335  }336  private refinementOnValue(v: Value<T>): v is Value<U> {337    return this.refinement(v.value);338  }339}340/** @internal */341class NoShrinkArbitrary<T> extends Arbitrary<T> {342  constructor(readonly arb: Arbitrary<T>) {343    super();344  }345  generate(mrng: Random, biasFactor: number | undefined): Value<T> {346    return this.arb.generate(mrng, biasFactor);347  }348  canShrinkWithoutContext(value: unknown): value is T {349    return this.arb.canShrinkWithoutContext(value);350  }...

Using AI Code Generation

1const fc = require('fast-check');2const { refinementOnValue } = require('fast-check');3const isEven = (n) => n % 2 === 0;4const isOdd = (n) => n % 2 !== 0;5const even = refinementOnValue(isEven, 'even');6const odd = refinementOnValue(isOdd, 'odd');7fc.assert(8  fc.property(fc.integer(), (n) => {9    return isEven(n) === even().is(n);10  })11);12fc.assert(13  fc.property(fc.integer(), (n) => {14    return isOdd(n) === odd().is(n);15  })16);17fc.assert(18  fc.property(fc.integer(), (n) => {19    return isEven(n) === even().is(n) && isOdd(n) === odd().is(n);20  })21);22fc.assert(23  fc.property(fc.integer(), (n) => {24    return isEven(n) === even().is(n) || isOdd(n) === odd().is(n);25  })26);27fc.assert(28  fc.property(fc.integer(), (n) => {29    return isEven(n) === even().is(n) && isOdd(n) === odd().is(n) && n === 0;30  })31);32fc.assert(33  fc.property(fc.integer(), (n) => {34    return isEven(n) === even().is(n) || isOdd(n) === odd().is(n) || n === 0;35  })36);37fc.assert(38  fc.property(fc.integer(), (n) => {39    return isEven(n) === even().is(n) && isOdd(n) === odd().is(n) && n !== 0;40  })41);42fc.assert(43  fc.property(fc.integer(), (n) => {44    return isEven(n) === even().is(n) || isOdd(n) === odd().is(n) || n !== 0;45  })46);47fc.assert(48  fc.property(fc.integer(), (n) => {49    return isEven(n) === even().is(n) || isOdd(n) === odd().is(n) || n !== 0;50  })51);52fc.assert(53  fc.property(fc.integer(), (n) => {54    return isEven(n) === even

Using AI Code Generation

1import { fc } from 'fast-check';2import { refinementOnValue } from 'fast-check-monorepo';3const isEven = (n: number) => n % 2 === 0;4const isOdd = (n: number) => n % 2 !== 0;5const isEvenArb = fc.integer().filter(isEven);6const isOddArb = fc.integer().filter(isOdd);7const refinedEven = refinementOnValue(isEvenArb, isEven);8const refinedOdd = refinementOnValue(isOddArb, isOdd);9fc.assert(10  fc.property(refinedEven, (n) => isEven(n) && !isOdd(n))11);12fc.assert(13  fc.property(refinedOdd, (n) => isOdd(n) && !isEven(n))14);15import { fc } from '@fc/core';16Thanks for the reply. I am not able to import @fc/core . I am getting the following error:17You are not getting this error because you are trying to import fast-check-monorepo but because you are trying

Using AI Code Generation

1const fc = require('fast-check');2const isEven = (n) => n % 2 === 0;3const arbEven = fc.integer().filter(isEven);4fc.assert(5  fc.property(arbEven, (n) => {6    return isEven(n);7  })8);9const fc = require('fast-check');10const isEven = (n) => n % 2 === 0;11const arbEven = fc.integer().refineOnValue(isEven);12fc.assert(13  fc.property(arbEven, (n) => {14    return isEven(n);15  })16);

Using AI Code Generation

1const fc = require("fast-check");2const { refinementOnValue } = require("fast-check/lib/arbitrary/refinementOnValue");3const { string } = require("fast-check/lib/arbitrary/string");4const { tuple } = require("fast-check/lib/arbitrary/tuple");5const { integer } = require("fast-check/lib/arbitrary/integer");6const { constantFrom } = require("fast-check/lib/arbitrary/constantFrom");7const { record } = require("fast-check/lib/arbitrary/record");8const { oneof } = require("fast-check/lib/arbitrary/oneof");9const { option } = require("fast-check/lib/arbitrary/option");10const { set } = require("fast-check/lib/arbitrary/set");11const { array } = require("fast-check/lib/arbitrary/array");12const { map } = require("fast-check/lib/arbitrary/map");13const { float } = require("fast-check/lib/arbitrary/float");14const { bigInt } = require("fast-check/lib/arbitrary/bigInt");15const { date } = require("fast-check/lib/arbitrary/date");16const { regexp } from require("fast-check/lib/arbitrary/regexp");17const { unicodeString } from require("fast-check/lib/arbitrary/unicodeString");18const { unicodeJson } from require("fast-check/lib/arbitrary/unicodeJson");19const { unicodeJsonObject } from require("fast-check/lib/arbitrary/unicodeJsonObject");20const { unicodeJsonArray } from require("fast-check/lib/arbitrary/unicodeJsonArray");21const { unicodeJsonString } from require("fast-check/lib/arbitrary/unicodeJsonString");22const { unicodeJsonNumber } from require("fast-check/lib/arbitrary/unicodeJsonNumber");23const { unicodeJsonNull } from require("fast-check/lib/arbitrary/unicodeJsonNull");24const { unicodeJsonBoolean } from require("fast-check/lib/arbitrary/unicodeJsonBoolean");25const { unicodeJsonArray } from require("fast-check/lib/arbitrary/unicodeJsonArray");26const { unicodeJsonObject } from require("fast-check/lib/arbitrary/unicodeJsonObject");27const { unicodeJsonString } from require("fast-check/lib/arbitrary/unicodeJsonString");28const { unicodeJsonNumber } from require("fast-check/lib/arbitrary/unicodeJsonNumber");29const { unicodeJsonNull } from require("fast-check/lib/arbitrary/unicodeJsonNull");30const { unicodeJsonBoolean } from require("fast-check/lib/arbitrary/unicodeJsonBoolean");31const { unicode

Using AI Code Generation

1import * as fc from "fast-check";2import * as assert from "assert";3import { refinementOnValue } from "fast-check/lib/check/arbitrary/RefinementArbitrary.js";4const isEven = (n: number) => n % 2 === 0;5const evenNumberArb = fc.integer().filter(isEven);6fc.assert(7  fc.property(evenNumberArb, n => {8    assert.ok(isEven(n));9  })10);11const isOdd = (n: number) => n % 2 !== 0;12const oddNumberArb = refinementOnValue(evenNumberArb, isOdd);13fc.assert(14  fc.property(oddNumberArb, n => {15    assert.ok(isOdd(n));16  })17);18import * as fc from "fast-check";19import * as assert from "assert";20import { refine } from "fast-check/lib/check/arbitrary/RefinementArbitrary.js";21const isEven = (n: number) => n % 2 === 0;22const evenNumberArb = fc.integer().filter(isEven);23fc.assert(24  fc.property(evenNumberArb, n => {25    assert.ok(isEven(n));26  })27);28const isOdd = (n: number) => n % 2 !== 0;29const oddNumberArb = evenNumberArb.refine(isOdd);30fc.assert(31  fc.property(oddNumberArb, n => {32    assert.ok(isOdd(n));33  })34);35import * as fc from "fast-check";36import * as assert from "assert";37const isEven = (n: number) => n % 2 === 0;38const evenNumberArb = fc.integer().filter(isEven);39fc.assert(40  fc.property(evenNumberArb, n => {41    assert.ok(isEven(n));42  })43);44const isOdd = (n: number) => n % 2 !== 0;45const oddNumberArb = evenNumberArb.refine(isOdd);46fc.assert(47  fc.property(oddNumberArb, n => {

Using AI Code Generation

1const { property, fc } = require("fast-check");2const { refinementOnValue } = require("fast-check-monorepo");3const isEven = (n) => n % 2 === 0;4const isOdd = (n) => n % 2 !== 0;5const isOddArb = fc.integer().filter(isOdd);6const isEvenArb = fc.integer().filter(isEven);7const isOddRefined = refinementOnValue(isOddArb, isEvenArb);8property(isOddRefined, (n) => isOdd(n)).check();9property(isOddRefined, (n) => isEven(n)).check();10const { property, fc } = require("fast-check");11const { refinementOnValue } = require("fast-check-monorepo");12const isEven = (n) => n % 2 === 0;13const isOdd = (n) => n % 2 !== 0;14const isOddArb = fc.integer().filter(isOdd);15const isEvenArb = fc.integer().filter(isEven);16const isOddRefined = refinementOnValue(isOddArb, isEvenArb);17property(isOddRefined, (n) => isOdd(n)).check();18property(isOddRefined, (n) => isEven(n)).check();

Using AI Code Generation

1import * as fc from 'fast-check';2fc.configureGlobal({ interruptAfterTimeLimit: 1000 });3const arb = fc.integer(1, 10);4const value = arb.refineOnValue((i) => i % 2 === 0);5console.log(value);6import * as fc from 'fast-check';7fc.configureGlobal({ interruptAfterTimeLimit: 1000 });8const arb = fc.integer(1, 10);9const value = arb.refineOnValue((i) => i % 2 === 0);10console.log(value);11import * as fc from 'fast-check';12fc.configureGlobal({ interruptAfterTimeLimit: 1000 });13const arb = fc.integer(1, 10);14const value = arb.refineOnValue((i) => i % 2 === 0);15console.log(value);16import * as fc from 'fast-check';17fc.configureGlobal({ interruptAfterTimeLimit: 1000 });18const arb = fc.integer(1, 10);19const value = arb.refineOnValue((i) => i % 2 === 0);20console.log(value);21import * as fc from 'fast-check';22fc.configureGlobal({ interruptAfterTimeLimit: 1000 });23const arb = fc.integer(1, 10);24const value = arb.refineOnValue((i) => i % 2 === 0);25console.log(value);

Using AI Code Generation

1const { arbitrary, refine } = require('fast-check');2const { refinementOnValue } = require('fast-check-monorepo');3const arr = arbitrary(arb => arb.array(arb.nat()));4const arrLessThan100 = refine(arr, array => array.every(num => num < 100));5const arrLessThan1000 = refine(arr, array => array.every(num => num < 1000));6console.log(arrLessThan100.sampleOne());7console.log(arrLessThan1000.sampleOne());8const { arbitrary, refine } = require('fast-check');9const { refinementOnValue } = require('fast-check-monorepo');10const arr = arbitrary(arb => arb.array(arb.nat()));

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