How to use isEqual64 method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

ArrayInt64.spec.ts

Source:ArrayInt64.spec.ts Github

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...46 // Arrange47 const a64 = toArrayInt64(a, false);48 const a64Cloned = toArrayInt64(a, false);49 // Act50 const out = isEqual64(a64, a64Cloned);51 // Assert52 expect(out).toBe(true);53 })54 );55 });56 it('should consider two different values as not equal', () => {57 fc.assert(58 fc.property(59 fc.bigInt({ min: -MaxArrayIntValue, max: MaxArrayIntValue }),60 fc.bigInt({ min: -MaxArrayIntValue, max: MaxArrayIntValue }),61 fc.boolean(),62 fc.boolean(),63 (a, b, na, nb) => {64 // Arrange65 fc.pre(a !== b);66 const a64 = toArrayInt64(a, na);67 const b64 = toArrayInt64(b, nb);68 // Act69 const out = isEqual64(a64, b64);70 // Assert71 expect(out).toBe(false);72 }73 )74 );75 });76 it('should consider zero and -zero to be equal', () => {77 expect(isEqual64({ sign: -1, data: [0, 0] }, { sign: -1, data: [0, 0] })).toBe(true);78 expect(isEqual64({ sign: 1, data: [0, 0] }, { sign: -1, data: [0, 0] })).toBe(true);79 expect(isEqual64({ sign: -1, data: [0, 0] }, { sign: 1, data: [0, 0] })).toBe(true);80 expect(isEqual64({ sign: 1, data: [0, 0] }, { sign: 1, data: [0, 0] })).toBe(true);81 });82 });83 describe('isStrictlySmaller64', () => {84 it('should properly compare two ArrayInt64 (including negative zeros)', () => {85 fc.assert(86 fc.property(87 fc.bigInt({ min: -MaxArrayIntValue, max: MaxArrayIntValue }),88 fc.bigInt({ min: -MaxArrayIntValue, max: MaxArrayIntValue }),89 fc.boolean(),90 fc.boolean(),91 (a, b, na, nb) => {92 // Arrange93 const a64 = toArrayInt64(a, na);94 const b64 = toArrayInt64(b, nb);...

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api.ts

Source:api.ts Github

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...188 tuple(189 max,190 Stream.unfold(target, (min) => {191 const mid = add64(min, halve64(substract64(max, min)));192 if (isEqual64(mid, max)) {193 return Nothing();194 } else {195 return Just([mid, max]);196 }197 }),198 ),199 );200}201function mergeStream<R, A, R1, B>(202 left: Stream<R, never, Maybe<A>>,203 right: Stream<R1, never, Maybe<B>>,204): Stream<R | R1, never, Maybe<A | B>> {205 return flatMapStream(Stream.fromChunk(Conc(Just<Stream<R | R1, never, Maybe<A | B>>>(left), Just(right))), identity);206}...

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ArrayInt64Arbitrary.ts

Source:ArrayInt64Arbitrary.ts Github

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...50 (unsafeValue.sign === -1 || unsafeValue.sign === 1) &&51 Array.isArray(unsafeValue.data) &&52 unsafeValue.data.length === 2 &&53 ((isStrictlySmaller64(this.min, unsafeValue) && isStrictlySmaller64(unsafeValue, this.max)) ||54 isEqual64(this.min, unsafeValue) ||55 isEqual64(this.max, unsafeValue))56 );57 }58 private shrinkArrayInt64(value: ArrayInt64, target: ArrayInt64, tryTargetAsap?: boolean): Stream<Value<ArrayInt64>> {59 const realGap = substract64(value, target);60 function* shrinkGen(): IterableIterator<Value<ArrayInt64>> {61 let previous: ArrayInt64 | undefined = tryTargetAsap ? undefined : target;62 const gap = tryTargetAsap ? realGap : halve64(realGap);63 for (let toremove = gap; !isZero64(toremove); toremove = halve64(toremove)) {64 const next = substract64(value, toremove);65 yield new Value(next, previous); // previous indicates the last passing value66 previous = next;67 }68 }69 return stream(shrinkGen());70 }71 shrink(current: ArrayInt64, context?: unknown): Stream<Value<ArrayInt64>> {72 if (!ArrayInt64Arbitrary.isValidContext(current, context)) {73 // No context:74 // Take default target and shrink towards it75 // Try the target on first try76 const target = this.defaultTarget();77 return this.shrinkArrayInt64(current, target, true);78 }79 if (this.isLastChanceTry(current, context)) {80 // Last chance try...81 // context is set to undefined, so that shrink will restart82 // without any assumptions in case our try find yet another bug83 return Stream.of(new Value(context, undefined));84 }85 // Normal shrink process86 return this.shrinkArrayInt64(current, context, false);87 }88 private defaultTarget(): ArrayInt64 {89 // min <= 0 && max >= 0 => shrink towards zero90 if (!isStrictlyPositive64(this.min) && !isStrictlyNegative64(this.max)) {91 return Zero64;92 }93 // min < 0 => shrink towards max (closer to zero)94 // otherwise => shrink towards min (closer to zero)95 return isStrictlyNegative64(this.min) ? this.max : this.min;96 }97 private isLastChanceTry(current: ArrayInt64, context: ArrayInt64): boolean {98 // Last chance corresponds to scenario where shrink should be empty99 // But we try a last thing just in case it can work100 if (isZero64(current)) {101 return false;102 }103 if (current.sign === 1) {104 return isEqual64(current, add64(context, Unit64)) && isStrictlyPositive64(substract64(current, this.min));105 } else {106 return isEqual64(current, substract64(context, Unit64)) && isStrictlyNegative64(substract64(current, this.max));107 }108 }109 private static isValidContext(_current: ArrayInt64, context?: unknown): context is ArrayInt64 {110 // Context contains a value between zero and current that is known to be111 // the closer to zero passing value*.112 // *More precisely: our shrinker will not try something closer to zero113 if (context === undefined) {114 return false;115 }116 if (typeof context !== 'object' || context === null || !('sign' in context) || !('data' in context)) {117 throw new Error(`Invalid context type passed to ArrayInt64Arbitrary (#1)`);118 }119 return true;120 }121 private retrieveBiasedRanges(): { min: ArrayInt64; max: ArrayInt64 }[] {122 if (this.biasedRanges != null) {123 return this.biasedRanges;124 }125 if (isEqual64(this.min, this.max)) {126 this.biasedRanges = [{ min: this.min, max: this.max }];127 return this.biasedRanges;128 }129 const minStrictlySmallerZero = isStrictlyNegative64(this.min);130 const maxStrictlyGreaterZero = isStrictlyPositive64(this.max);131 if (minStrictlySmallerZero && maxStrictlyGreaterZero) {132 // min < 0 && max > 0133 const logMin = logLike64(this.min); // min !== 0 -> <=0134 const logMax = logLike64(this.max); // max !== 0 -> >=0135 this.biasedRanges = [136 { min: logMin, max: logMax }, // close to zero,137 { min: substract64(this.max, logMax), max: this.max }, // close to max138 { min: this.min, max: substract64(this.min, logMin) }, // close to min139 ];...

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Using AI Code Generation

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1const { isEqual64 } = require('fast-check');2const { toBigInt64Array } = require('bigint-buffer');3const buffer1 = new ArrayBuffer(8);4const buffer2 = new ArrayBuffer(8);5const view1 = new DataView(buffer1);6const view2 = new DataView(buffer2);7view1.setBigInt64(0, BigInt(1));8view2.setBigInt64(0, BigInt(1));9at isEqual64 (node_modules/fast-check/lib/esm/check/arbitrary/Helpers.js:32:25)10at Object. (test3.js:14:20)11at Module._compile (internal/modules/cjs/loader.js:1137:30)12at Object.Module._extensions..js (internal/modules/cjs/loader.js:1157:10)13at Module.load (internal/modules/cjs/loader.js:985:32)14at Function.Module._load (internal/modules/cjs/loader.js:878:14)15at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)16I am trying to use the isEqual64 method of fast-check-monorepo in my project. I am getting the following error: TypeError: Cannot read property 'length' of undefined at isEqual64 (node_modules/fast-check/lib/esm/check/arbitrary/Helpers.js:32:25) at Object. (test3.js:14:20) at Module._compile (internal/modules/cjs/loader.js:1137:30) at Object.Module._extensions..js (internal/modules/cjs/loader.js:1157:10) at Module.load (internal/modules/cjs/loader.js:985:32) at Function.Module._load (internal/modules/cjs/loader.js:878:14) at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12

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Using AI Code Generation

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1const fc = require("fast-check");2const assert = require("assert");3const isEqual64 = require("fast-check/lib/check/arbitrary/definition/EqualityArbitrary.js").isEqual64;4assert(isEqual64(0n, 0n));5assert(isEqual64(0n, BigInt(0)));6assert(isEqual64(0n, 0));7assert(isEqual64(BigInt(0), 0n));8assert(isEqual64(0, 0n));9assert(isEqual64(0, 0));10assert(isEqual64(0, BigInt(0)));11assert(isEqual64(BigInt(0), 0));12assert(isEqual64(0n, BigInt(0)));13assert(isEqual64(BigInt(0), 0n));14assert(isEqual64(1n, 1n));15assert(isEqual64(1n, BigInt(1)));16assert(isEqual64(1n, 1));17assert(isEqual64(BigInt(1), 1n));18assert(isEqual64(1, 1n));19assert(isEqual64(1, 1));20assert(isEqual64(1, BigInt(1)));21assert(isEqual64(BigInt(1), 1));22assert(isEqual64(1n, BigInt(1)));23assert(isEqual64(BigInt(1), 1n));24assert(isEqual64(0n, 1n));25assert(isEqual64(0n, BigInt(1)));26assert(isEqual64(0n, 1));27assert(isEqual64(BigInt(0), 1n));28assert(isEqual64(0, 1n));29assert(isEqual64(0, 1));30assert(isEqual64(0, BigInt(1)));31assert(isEqual64(BigInt(0), 1));32assert(isEqual64(0n, BigInt(1)));33assert(isEqual64(BigInt(0), 1n));34assert(isEqual64(1n, 0n));35assert(isEqual64(1n, BigInt(0)));36assert(isEqual64(1n, 0));37assert(isEqual64(BigInt(1), 0n));38assert(isEqual64(1, 0n));39assert(isEqual64(1, 0));40assert(isEqual64(1, BigInt(0)));41assert(isEqual64(BigInt(1), 0));42assert(isEqual64(1

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Using AI Code Generation

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1import { isEqual64 } from 'fast-check/lib/check/arbitrary/IntegerArbitrary';2const a = BigInt('0x1234567890abcdef');3const b = BigInt('0x1234567890abcdef');4console.log(isEqual64(a, b));5import { isEqual64 } from 'fast-check/lib/check/arbitrary/IntegerArbitrary';6const a = BigInt('0x1234567890abcdef');7const b = BigInt('0x1234567890abcdef');8console.log(isEqual64(a, b));9import { isEqual64 } from 'fast-check/lib/check/arbitrary/IntegerArbitrary';10const a = BigInt('0x1234567890abcdef');11const b = BigInt('0x1234567890abcdef');12console.log(isEqual64(a, b));13import { isEqual64 } from 'fast-check/lib/check/arbitrary/IntegerArbitrary';14const a = BigInt('0x1234567890abcdef');15const b = BigInt('0x1234567890abcdef');16console.log(isEqual64(a, b));17import { isEqual64 } from 'fast-check/lib/check/arbitrary/IntegerArbitrary';18const a = BigInt('0x1234567890abcdef');19const b = BigInt('0x1234567890abcdef');20console.log(isEqual64(a, b));

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Using AI Code Generation

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1const { isEqual64 } = require('fast-check');2const { toBigInt64Array } = require('bigint-buffer');3const { Buffer } = require('buffer');4const { randomBytes } = require('crypto');5const getRandom64 = () => toBigInt64Array(randomBytes(8))[0];6const a = getRandom64();7const b = getRandom64();8console.log(isEqual64(a, b));9console.log(isEqual64(a, a));10console.log(isEqual64(b, b));11const { isEqual64 } = require('fast-check');12const { toBigInt64Array } = require('bigint-buffer');13const { Buffer } = require('buffer');14const { randomBytes } = require('crypto');15const getRandom64 = () => toBigInt64Array(randomBytes(8))[0];16const a = getRandom64();17const b = getRandom64();18console.log(isEqual64(a, b));19console.log(isEqual64(a, a));20console.log(isEqual64(b, b));21const { isEqual64 } = require('fast-check');22const { toBigInt64Array } = require('bigint-buffer');23const { Buffer } = require('buffer');24const { randomBytes } = require('crypto');25const getRandom64 = () => toBigInt64Array(randomBytes(8))[0];26const a = getRandom64();27const b = getRandom64();28console.log(isEqual64(a, b));29console.log(isEqual64(a, a));30console.log(isEqual64(b, b));31const { isEqual64 } = require('fast-check');32const { toBigInt64Array } = require('bigint-buffer');33const { Buffer } = require('buffer');34const { randomBytes } = require('crypto');35const getRandom64 = () => toBigInt64Array(randomBytes(8))[0];36const a = getRandom64();37const b = getRandom64();38console.log(isEqual64(a, b));39console.log(isEqual64(a, a));40console.log(isEqual64(b, b));41const { isEqual64 } = require('fast-check');42const { toBigInt64Array }

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