Best JavaScript code snippet using fast-check-monorepo
float64Array.spec.ts
Source:float64Array.spec.ts
1import * as fc from 'fast-check';2import { float64Array, Float64ArrayConstraints } from '../../../src/arbitrary/float64Array';3import {4 assertProduceCorrectValues,5 assertProduceSameValueGivenSameSeed,6 assertProduceValuesShrinkableWithoutContext,7 assertShrinkProducesSameValueWithoutInitialContext,8} from './__test-helpers__/ArbitraryAssertions';9function beforeEachHook() {10 jest.resetModules();11 jest.restoreAllMocks();12 fc.configureGlobal({ beforeEach: beforeEachHook });13}14beforeEach(beforeEachHook);15describe('float64Array (integration)', () => {16 type Extra = Float64ArrayConstraints;17 const extraParameters: fc.Arbitrary<Extra> = fc18 .record(19 {20 minLength: fc.nat({ max: 5 }),21 maxLength: fc.nat({ max: 25 }),22 min: fc.double({ noDefaultInfinity: true, noNaN: true }),23 max: fc.double({ noDefaultInfinity: true, noNaN: true }),24 noDefaultInfinity: fc.boolean(),25 noNaN: fc.boolean(),26 },27 { requiredKeys: [] }28 )29 .map((rawConstraints) => {30 const constraints = { ...rawConstraints };31 if ('minLength' in constraints && 'maxLength' in constraints && constraints.minLength! > constraints.maxLength!) {32 [constraints.minLength, constraints.maxLength] = [constraints.maxLength, constraints.minLength];33 }34 if ('min' in constraints && 'max' in constraints && strictlyLowerThan(constraints.max!, constraints.min!)) {35 [constraints.min, constraints.max] = [constraints.max, constraints.min];36 }37 return constraints;38 });39 const isCorrect = (value: Float64Array, extra: Extra) => {40 expect(value).toBeInstanceOf(Float64Array);41 if ('minLength' in extra) {42 expect(value.length).toBeGreaterThanOrEqual(extra.minLength!);43 }44 if ('maxLength' in extra) {45 expect(value.length).toBeLessThanOrEqual(extra.maxLength!);46 }47 };48 const float64ArrayBuilder = (extra: Extra) => float64Array(extra);49 it('should produce the same values given the same seed', () => {50 assertProduceSameValueGivenSameSeed(float64ArrayBuilder, { extraParameters });51 });52 it('should only produce correct values', () => {53 assertProduceCorrectValues(float64ArrayBuilder, isCorrect, { extraParameters });54 });55 it('should produce values seen as shrinkable without any context', () => {56 assertProduceValuesShrinkableWithoutContext(float64ArrayBuilder, { extraParameters });57 });58 it('should be able to shrink to the same values without initial context', () => {59 assertShrinkProducesSameValueWithoutInitialContext(float64ArrayBuilder, { extraParameters });60 });61});62// Helper63function strictlyLowerThan(a: number, b: number): boolean {64 return a < b || (a === b && Object.is(a, -0) && Object.is(b, 0));...
float64array_builder.ts
Source:float64array_builder.ts
1// DO NOT EDIT. Generated from templates/neuroglancer/util/typedarray_builder.template.ts.2/**3 * @license4 * Copyright 2016 Google Inc.5 * Licensed under the Apache License, Version 2.0 (the "License");6 * you may not use this file except in compliance with the License.7 * You may obtain a copy of the License at8 *9 * http://www.apache.org/licenses/LICENSE-2.010 *11 * Unless required by applicable law or agreed to in writing, software12 * distributed under the License is distributed on an "AS IS" BASIS,13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.14 * See the License for the specific language governing permissions and15 * limitations under the License.16 */17export class Float64ArrayBuilder {18 length = 0;19 data: Float64Array;20 constructor(initialCapacity: number = 16) {21 this.data = new Float64Array(initialCapacity);22 }23 resize(newLength: number) {24 let {data} = this;25 if (newLength > data.length) {26 let newData = new Float64Array(Math.max(newLength, data.length * 2));27 newData.set(data.subarray(0, this.length));28 this.data = newData;29 }30 this.length = newLength;31 }32 get view() {33 let {data} = this;34 return new Float64Array(data.buffer, data.byteOffset, this.length);35 }36 shrinkToFit() {37 this.data = new Float64Array(this.view);38 }39 clear() {40 this.length = 0;41 }42 appendArray(other: ArrayLike<number>) {43 let {length} = this;44 this.resize(length + other.length);45 this.data.set(other, length);46 }47 eraseRange(start: number, end: number) {48 this.data.copyWithin(start, end, this.length);49 this.length -= (end - start);50 }...
Using AI Code Generation
1const fc = require("fast-check");2const { float64ArrayBuilder } = require("fast-check-monorepo");3fc.assert(4 fc.property(float64ArrayBuilder(), (array) => {5 return array.every((x) => x === 0);6 })7);8{9 "scripts": {10 },11 "dependencies": {12 }13}14"dependencies": {15 }16"dependencies": {17 }18"dependencies": {19 }20"dependencies": {21 }22"dependencies": {
Using AI Code Generation
1const fc = require('fast-check');2const { float64ArrayBuilder } = require('fast-check-monorepo');3const { float32ArrayBuilder } = require('fast-check-monorepo');4fc.assert(5 fc.property(float64ArrayBuilder(), (array) => {6 console.log(array);7 return true;8 })9);10fc.assert(11 fc.property(float32ArrayBuilder(), (array) => {12 console.log(array);13 return true;14 })15);16fc.assert(17 fc.property(float64ArrayBuilder(), (array) => {18 console.log(array);19 return true;20 })21);22fc.assert(23 fc.property(float32ArrayBuilder(), (array) => {24 console.log(array);25 return true;26 })27);28fc.assert(29 fc.property(float64ArrayBuilder(), (array) => {30 console.log(array);31 return true;32 })33);34fc.assert(35 fc.property(float32ArrayBuilder(), (array) => {36 console.log(array);37 return true;38 })39);40fc.assert(41 fc.property(float64ArrayBuilder(), (array) => {42 console.log(array);43 return true;44 })45);46fc.assert(47 fc.property(float32ArrayBuilder(), (array) => {48 console.log(array);49 return true;50 })51);52fc.assert(53 fc.property(float64ArrayBuilder(), (array) => {54 console.log(array);55 return true;56 })57);58fc.assert(59 fc.property(float32ArrayBuilder(), (array) => {60 console.log(array);61 return true;62 })63);
Using AI Code Generation
1const fc = require('fast-check');2const float64ArrayBuilder = require('fast-check-monorepo').float64ArrayBuilder;3fc.assert(fc.property(float64ArrayBuilder(), (float64Array) => {4}));5✓ Property #1: float64ArrayBuilder() → [number] (1 shrinks) (5ms)6fc.configureGlobal({ seed: 0, verbose: 1 });
Using AI Code Generation
1const { float64ArrayBuilder } = require('fast-check-monorepo');2const sample = float64ArrayBuilder().generate();3console.log(sample);4const { uint8ArrayBuilder } = require('fast-check-monorepo');5const sample = uint8ArrayBuilder().generate();6console.log(sample);
Using AI Code Generation
1const fc = require('fast-check');2const { float64ArrayBuilder } = require('fast-check-monorepo');3const float64Array = float64ArrayBuilder();4const float64ArrayArb = fc.array(float64Array);5fc.assert(6 fc.property(float64ArrayArb, (float64Array) => {7 console.log(float64Array);8 return true;9 })10);11const fc = require('fast-check');12const { float64ArrayBuilder } = require('fast-check-monorepo');13const float64Array = float64ArrayBuilder();14const float64ArrayArb = fc.array(float64Array);15fc.assert(16 fc.property(float64ArrayArb, (float64Array) => {17 console.log(float64Array);18 return true;19 })20);21const fc = require('fast-check');22const { float64ArrayBuilder } = require('fast-check-monorepo');23const float64Array = float64ArrayBuilder();24const float64ArrayArb = fc.array(float64Array);25fc.assert(26 fc.property(float64ArrayArb, (float64Array) => {27 console.log(float64Array);28 return true;29 })30);
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