# How to use floatConstraints method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

float.ts

Source:float.ts

`1import type { Tree } from '../../../algorithm'2import { expandTree, tree } from '../../../algorithm'3import type { RelaxedPartial } from '../../../type'4import type { ArbitraryContext, Integrated } from '../../arbitrary'5import { makeIntegrated, towardsf } from '../../arbitrary'6export interface FloatConstraints {7 min: number8 max: number9}10export function sampleFloat({ min, max }: FloatConstraints, { rng }: ArbitraryContext): number {11 return rng.sample() * (max - min) + min12}13export function shrinkFloat({ min, max }: FloatConstraints, x: number): Tree<number> {14 const destination = min <= 0 && max >= 0 ? 0 : min < 0 ? max : min15 return expandTree((v) => towardsf(destination, v), tree(x, [tree(destination)]))16}17export function float(constraints: RelaxedPartial<FloatConstraints> = {}): Integrated<FloatConstraints, number> {18 const { min = -Math.pow(2, 31), max = Math.pow(2, 31) } = constraints19 return makeIntegrated({20 sample: sampleFloat,21 shrink: shrinkFloat,22 constraints: {23 min,24 max,25 },26 })...`

numbers.ts

Source:numbers.ts

`1import fc from "fast-check";2import type { FloatConstraints } from "fast-check";3export const strictFloat = (constraints?: FloatConstraints) =>...`

Using AI Code Generation

`1const fc = require('fast-check');2const { floatConstraints } = require('fast-check-monorepo');3const { float } = floatConstraints({ min: 0, max: 1 });4fc.assert(5 fc.property(float(), (n) => {6 return n >= 0 && n <= 1;7 })8);9I’m trying to use fast-check to test a function that has a map as an input. The map is a map of strings to strings. I’m having trouble figuring out how to use fast-check to generate a map of strings to strings. I’ve tried using the map() function, but I get an error. I’ve also tried using the record() function, but I get an error. Here’s what I’ve tried:10const fc = require('fast-check');11const { map } = require('fast-check');12fc.assert(13 fc.property(map(fc.string(), fc.string()), (map) => {14 return map.get('key') === 'value';15 })16);17const fc = require('fast-check');18const { record } = require('fast-check');19fc.assert(20 fc.property(record(fc.string(), fc.string()), (record) => {21 return record['key'] === 'value';22 })23);`

Using AI Code Generation

`1const fc = require('fast-check');2const floatConstraints = fc.floatConstraints();3floatConstraints.min = 0.0;4floatConstraints.max = 1.0;5const floatConstraintsArb = fc.float(floatConstraints);6const fc = require('fast-check');7const floatConstraints = fc.floatConstraints();8floatConstraints.min = 0.0;9floatConstraints.max = 1.0;10const floatConstraintsArb = fc.float(floatConstraints);11All those files are identical except for the path they refer to (fast-check vs fast-check-monorepo). I've executed those files one by one and I've got the following results:`

Using AI Code Generation

`1import { floatConstraints } from 'fast-check';2const { min, max, noDefaultInfinity, noNaN } = floatConstraints();3console.log(min, max, noDefaultInfinity, noNaN);4console.log(5 floatConstraints({6 })7);8console.log(9 floatConstraints({10 })11);12console.log(13 floatConstraints({14 })15);16console.log(17 floatConstraints({18 })19);20console.log(21 floatConstraints({22 })23);24console.log(25 floatConstraints({26 })27);28console.log(29 floatConstraints({`

Using AI Code Generation

`1import {floatConstraints, float} from 'fast-check';2const constraints = floatConstraints({min: 0, max: 1, next: true});3const fc = float(constraints);4 * `fc.string16bits` has been removed in favor of `fc.stringOf(fc.char16bits)`5 * `fc.string16bits` has been removed in favor of `fc.stringOf(fc.char16bits)`6 * `fc.string16bits` has been removed in favor of `fc.stringOf(fc.char16bits)``

Using AI Code Generation

`1const fc = require("fast-check");2const { floatConstraints } = require("fast-check/lib/types/arbitrary/FloatArbitrary");3console.log("floatConstraints: ", floatConstraints);4const floatConstraints2 = floatConstraints({min: 1, max: 2, noDefaultInfinity: true, noNaN: true});5console.log("floatConstraints2: ", floatConstraints2);6console.log("floatConstraints2.min: ", floatConstraints2.min);7console.log("floatConstraints2.max: ", floatConstraints2.max);8console.log("floatConstraints2.noDefaultInfinity: ", floatConstraints2.noDefaultInfinity);9console.log("floatConstraints2.noNaN: ", floatConstraints2.noNaN);10const floatConstraints3 = floatConstraints({min: 1, max: 2, noDefaultInfinity: true, noNaN: true}, 1);11console.log("floatConstraints3: ", floatConstraints3);12console.log("floatConstraints3.min: ", floatConstraints3.min);13console.log("floatConstraints3.max: ", floatConstraints3.max);14console.log("floatConstraints3.noDefaultInfinity: ", floatConstraints3.noDefaultInfinity);15console.log("floatConstraints3.noNaN: ", floatConstraints3.noNaN);16const floatConstraints4 = floatConstraints({min: 1, max: 2, noDefaultInfinity: true, noNaN: true}, 1, 2);17console.log("floatConstraints4: ", floatConstraints4);18console.log("floatConstraints4.min: ", floatConstraints4.min);19console.log("floatConstraints4.max: ", floatConstraints4.max);20console.log("floatConstraints4.noDefaultInfinity: ", floatConstraints4.noDefaultInfinity);21console.log("floatConstraints4.noNaN: ", floatConstraints4.noNaN);22floatConstraints: { min: -Infinity, max: Infinity, noDefaultInfinity: false, noNaN: false }23floatConstraints2: { min: 1, max: 2, noDefaultInfinity: true, noNaN: true }24floatConstraints3: { min: 1, max: 2, noDefaultInfinity: true, noNaN: true }`

Using AI Code Generation

`1const fc = require('fast-check');2const float = fc.floatConstraints({3});4fc.assert(5 fc.property(float, (f) => {6 return f >= 0.5 && f <= 1.0;7 })8);`

Using AI Code Generation

`1const floatConstraints = require('fast-check');2const random = floatConstraints.floatConstraints(0, 1);3console.log(Math.round(random * 1000));4const floatConstraints = require('fast-check');5const random = floatConstraints.floatConstraints(0, 1);6console.log(Math.round(random * 1000));7const floatConstraints = require('fast-check');8const random = floatConstraints.floatConstraints(0, 1);9console.log(Math.round(random * 1000));10const floatConstraints = require('fast-check');11const random = floatConstraints.floatConstraints(0, 1);12console.log(Math`

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