How to use substract64 method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

math.ts

Source:math.ts

...171 * Substract two ArrayInt64172 * @returns When result is zero always with sign=1173 * @internal174 */175export function substract64(arrayIntA: ArrayInt64, arrayIntB: ArrayInt64): ArrayInt64 {176  if (isStrictlySmaller64(arrayIntA, arrayIntB)) {177    const out = substract64Internal(arrayIntB, arrayIntA)178    out.sign  = -1179    return out180  }181  return substract64Internal(arrayIntA, arrayIntB)182}183/**184 * Negative version of an ArrayInt64185 * @internal186 */187export function negative64(arrayIntA: ArrayInt64): ArrayInt64 {188  return {189    sign: -arrayIntA.sign as -1 | 1,190    data: [arrayIntA.data[0], arrayIntA.data[1]]191  }192}193/**194 * Add two ArrayInt64195 * @returns When result is zero always with sign=1196 * @internal197 */198export function add64(arrayIntA: ArrayInt64, arrayIntB: ArrayInt64): ArrayInt64 {199  if (isZero64(arrayIntB)) {200    if (isZero64(arrayIntA)) {201      return clone64(Zero64)202    }203    return clone64(arrayIntA)204  }205  return substract64(arrayIntA, negative64(arrayIntB))206}207/**208 * Halve an ArrayInt64209 * @internal210 */211export function halve64(a: ArrayInt64): ArrayInt64 {212  return {213    sign: a.sign,214    data: [Math.floor(a.data[0] / 2), (a.data[0] % 2 === 1 ? 0x80000000 : 0) + Math.floor(a.data[1] / 2)]215  }216}217/**218 * Apply log2 to an ArrayInt64 (preserve sign)219 * @internal220 */221export function logLike64(a: ArrayInt64): ArrayInt64 {222  // Math.floor(Math.log(hi * 2**32 + low) / Math.log(2)) <= Math.floor(Math.log(2**64) / Math.log(2)) = 64223  return {224    sign: a.sign,225    data: [0, Math.floor(Math.log(a.data[0] * 0x100000000 + a.data[1]) / Math.log(2))]226  }227}228/** @internal */229const INDEX_POSITIVE_INFINITY: ArrayInt64 = { sign: 1, data: [2146435072, 0] } // doubleToIndex(Number.MAX_VALUE) + 1;230/** @internal */231const INDEX_NEGATIVE_INFINITY: ArrayInt64 = { sign: -1, data: [2146435072, 1] } // doubleToIndex(-Number.MAX_VALUE) - 1232/**233 * Decompose a 64-bit floating point number into a significand and exponent234 * such that:235 * - significand over 53 bits including sign (also referred as fraction)236 * - exponent over 11 bits including sign237 * - whenever there are multiple possibilities we take the one having the highest significand (in abs)238 * - Number.MAX_VALUE = 2**1023    * (1 + (2**52-1)/2**52)239 *                    = 2**1023    * (2 - Number.EPSILON)240 * - Number.MIN_VALUE = 2**(-1022) * 2**(-52)241 * - Number.EPSILON   = 2**(-52)242 *243 * @param d - 64-bit floating point number to be decomposed into (significand, exponent)244 *245 * @internal246 */247export function decomposeDouble(d: number): { exponent: number, significand: number } {248  // 1 => significand 0b1   - exponent 1 (will be preferred)249  //   => significand 0b0.1 - exponent 2250  const maxSignificand = 2 - Number.EPSILON251  for (let exponent = -1022; exponent !== 1024; ++exponent) {252    const powExponent    = 2 ** exponent253    const maxForExponent = maxSignificand * powExponent254    if (Math.abs(d) <= maxForExponent) {255      return { exponent, significand: d / powExponent }256    }257  }258  return { exponent: Number.NaN, significand: Number.NaN }259}260/** @internal */261function positiveNumberToInt64(n: number): ArrayInt64['data'] {262  return [~~(n / 0x100000000), n >>> 0]263}264/** @internal */265function indexInDoubleFromDecomp(exponent: number, significand: number): ArrayInt64['data'] {266  // WARNING: significand >= 0267  // By construct of significand in decomposeDouble,268  // significand is always max-ed.269  // The double close to zero are the only one having a significand <1, they also have an exponent of -1022.270  // They are in range: [2**(-1022) * 2**(-52), 2**(-1022) * (2 - 2 ** 52)]271  // In other words there are 2**53 elements in that range if we include zero.272  // All other ranges (other exponents) have a length of 2**52 elements.273  if (exponent === -1022) {274    // We want the significand to be an integer value (like an index)275    const rescaledSignificand = significand * 2 ** 52 // significand * 2**52276    return positiveNumberToInt64(rescaledSignificand)277  }278  // Offset due to exp = -1022 + Offset of previous exp (excl. -1022) + Offset in current exp279  // 2**53 + (exponent - (-1022) -1) * 2**52 + (significand - 1) * 2**52280  // (exponent + 1023) * 2**52 + (significand - 1) * 2**52281  const rescaledSignificand = (significand - 1) * 2 ** 52 // (significand-1) * 2**52282  const exponentOnlyHigh    = (exponent + 1023) * 2 ** 20 // (exponent + 1023) * 2**52 => [high: (exponent + 1023) * 2**20, low: 0]283  const index               = positiveNumberToInt64(rescaledSignificand)284  index[0]                 += exponentOnlyHigh285  return index286}287/**288 * Compute the index of d relative to other available 64-bit floating point numbers289 * Rq: Produces negative indexes for negative doubles290 *291 * @param d - 64-bit floating point number, anything except NaN292 *293 * @internal294 */295export function doubleToIndex(d: number): ArrayInt64 {296  if (d === Number.POSITIVE_INFINITY) {297    return clone64(INDEX_POSITIVE_INFINITY)298  }299  if (d === Number.NEGATIVE_INFINITY) {300    return clone64(INDEX_NEGATIVE_INFINITY)301  }302  const decomp      = decomposeDouble(d)303  const exponent    = decomp.exponent304  const significand = decomp.significand305  if (d > 0 || (d === 0 && 1 / d === Number.POSITIVE_INFINITY)) {306    return { sign: 1, data: indexInDoubleFromDecomp(exponent, significand) }307  } else {308    const indexOpposite = indexInDoubleFromDecomp(exponent, -significand)309    if (indexOpposite[1] === 0xffffffff) {310      indexOpposite[0] += 1311      indexOpposite[1]  = 0312    } else {313      indexOpposite[1] += 1314    }315    return { sign: -1, data: indexOpposite } // -indexInDoubleFromDecomp(exponent, -significand) - 1316  }317}318/**319 * Compute the 64-bit floating point number corresponding to the provided indexes320 *321 * @param n - index of the double322 *323 * @internal324 */325export function indexToDouble(index: ArrayInt64): number {326  if (index.sign === -1) {327    const indexOpposite: ArrayInt64 = { sign: 1, data: [index.data[0], index.data[1]] }328    if (indexOpposite.data[1] === 0) {329      indexOpposite.data[0] -= 1330      indexOpposite.data[1]  = 0xffffffff331    } else {332      indexOpposite.data[1] -= 1333    }334    return -indexToDouble(indexOpposite) // -indexToDouble(-index - 1);335  }336  if (isEqual64(index, INDEX_POSITIVE_INFINITY)) {337    return Number.POSITIVE_INFINITY338  }339  if (index.data[0] < 0x200000) {340    // if: index < 2 ** 53  <--> index[0] < 2 ** (53-32) = 0x20_0000341    // The first 2**53 elements correspond to values having342    // exponent = -1022 and significand = index * Number.EPSILON343    // double value = index * 2 ** -1022 * Number.EPSILON344    //              = index * 2 ** -1022 * 2 ** -52345    //              = index * 2 ** -1074346    return (index.data[0] * 0x100000000 + index.data[1]) * 2 ** -1074347  }348  const postIndexHigh = index.data[0] - 0x200000 // postIndex = index - 2 ** 53349  // exponent = -1021 + Math.floor(postIndex / 2**52)350  //          = -1021 + Math.floor(postIndexHigh / 2**(52-32))351  //          = -1021 + Math.floor(postIndexHigh / 2**20)352  //          = -1021 + (postIndexHigh >> 20)353  const exponent = -1021 + (postIndexHigh >> 20)354  // significand = 1 + (postIndex % 2**52) / 2**52355  //             = 1 + ((postIndexHigh * 2**32 + postIndexLow) % 2**52) / 2**52356  //             = 1 + ((postIndexHigh % 2**20) * 2**32 + postIndexLow) / 2**52357  //             = 1 + ((postIndexHigh & 0xfffff) * 2**32 + postIndexLow) / 2**52358  //             = 1 + ((postIndexHigh & 0xfffff) * 2**32 + postIndexLow) * Number.EPSILON359  const significand = 1 + ((postIndexHigh & 0xfffff) * 2 ** 32 + index.data[1]) * Number.EPSILON360  return significand * 2 ** exponent361}362/**363 * Same as {@link doubleToIndex} except it throws in case of invalid double364 *365 * @internal366 */367export function safeDoubleToIndex(d: number, label: string): I.IO<unknown, never, ArrayInt64> {368  if (Number.isNaN(d)) {369    // Number.NaN does not have any associated index in the current implementation370    return I.die(new Error('fc.doubleNext constraints.' + label + ' must be a 32-bit float'))371  }372  return I.succeed(doubleToIndex(d))373}374let EPSILON   = Math.pow(2, -52)375let MAX_VALUE = (2 - EPSILON) * Math.pow(2, 1023)376let MIN_VALUE = Math.pow(2, -1022)377export function nextUp(x: number) {378  if (x !== x) {379    return x380  }381  if (x === -1 / 0) {382    return -MAX_VALUE383  }384  if (x === +1 / 0) {385    return +1 / 0386  }387  if (x === +MAX_VALUE) {388    return +1 / 0389  }390  let y = x * (x < 0 ? 1 - EPSILON / 2 : 1 + EPSILON)391  if (y === x) {392    y = MIN_VALUE * EPSILON > 0 ? x + MIN_VALUE * EPSILON : x + MIN_VALUE393  }394  if (y === +1 / 0) {395    y = +MAX_VALUE396  }397  let b = x + (y - x) / 2398  if (x < b && b < y) {399    y = b400  }401  let c = (y + x) / 2402  if (x < c && c < y) {403    y = c404  }405  return y === 0 ? -0 : y406}407export function nextAfter(x: number, y: number) {408  return y < x ? -nextUp(-x) : y > x ? nextUp(x) : x !== x ? x : y409}410export function computeBiasedRanges(411  min: ArrayInt64,412  max: ArrayInt64,413  biasedRanges?: { min: ArrayInt64, max: ArrayInt64 }[]414): { min: ArrayInt64, max: ArrayInt64 }[] {415  if (biasedRanges != null) {416    return biasedRanges417  }418  if (isEqual64(min, max)) {419    return [{ min, max }]420  }421  const minStrictlySmallerThanZero = isStrictlyNegative64(min)422  const maxStrictlyGreaterThanZero = isStrictlyPositive64(max)423  if (minStrictlySmallerThanZero && maxStrictlyGreaterThanZero) {424    const logMin = logLike64(min)425    const logMax = logLike64(max)426    return [427      { min: logMin, max: logMax },428      { min: substract64(max, logMax), max },429      { min, max: substract64(min, logMin) }430    ]431  } else {432    const logGap     = logLike64(substract64(max, min))433    const closeToMin = { min, max: add64(min, logGap) }434    const closeToMax = { min: substract64(max, logGap), max }435    return minStrictlySmallerThanZero ? [closeToMax, closeToMin] : [closeToMin, closeToMax]436  }437}438export function computeArrayInt64GenerateRange(439  min: ArrayInt64,440  max: ArrayInt64,441  biasFactor: number | undefined,442  biasedRanges: { min: ArrayInt64, max: ArrayInt64 }[] | undefined443): I.URIO<Has<Random>, { min: ArrayInt64, max: ArrayInt64 }> {444  return I.gen(function* (_) {445    if (biasFactor === undefined || (yield* _(Random.nextIntBetween(1, biasFactor))) !== 1) {446      return { min, max }447    }448    const ranges = computeBiasedRanges(min, max, biasedRanges)...

ArrayInt64Arbitrary.ts

Source:ArrayInt64Arbitrary.ts

...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      ];140    } else {141      // Either min < 0 && max <= 0142      // Or min >= 0, so max >= 0143      const logGap = logLike64(substract64(this.max, this.min)); // max-min !== 0  ->  >=0144      const arbCloseToMin = { min: this.min, max: add64(this.min, logGap) }; // close to min145      const arbCloseToMax = { min: substract64(this.max, logGap), max: this.max }; // close to max146      this.biasedRanges = minStrictlySmallerZero147        ? [arbCloseToMax, arbCloseToMin] // max is closer to zero148        : [arbCloseToMin, arbCloseToMax]; // min is closer to zero149    }150    return this.biasedRanges;151  }152}153/** @internal */154export function arrayInt64(min: ArrayInt64, max: ArrayInt64): Arbitrary<ArrayInt64> {155  const arb = new ArrayInt64Arbitrary(min, max);156  return arb;...

double.ts

Source:double.ts

...50      if (noNaN) {51        return G.map_(arrayInt64(minIndex, maxIndex), indexToDouble)52      }53      const positiveMaxIdx  = isStrictlyPositive64(maxIndex)54      const minIndexWithNaN = positiveMaxIdx ? minIndex : substract64(minIndex, Unit64)55      const maxIndexWithNaN = positiveMaxIdx ? add64(maxIndex, Unit64) : maxIndex56      return G.map_(arrayInt64(minIndexWithNaN, maxIndexWithNaN), (index) => {57        if (isStrictlySmaller64(maxIndex, index) || isStrictlySmaller64(index, minIndex)) return Number.NaN58        else return indexToDouble(index)59      })60    }),61    G.unwrap62  )...

Using AI Code Generation

1const { substract64 } = require('fast-check-monorepo');2console.log(substract64(10, 5));3const { substract64 } = require('fast-check-monorepo');4console.log(substract64(10, 5));5const { substract64 } = require('fast-check-monorepo');6console.log(substract64(10, 5));7const { substract64 } = require('fast-check-monorepo');8console.log(substract64(10, 5));9const { substract64 } = require('fast-check-monorepo');10console.log(substract64(10, 5));11const { substract64 } = require('fast-check-monorepo');12console.log(substract64(10, 5));13const { substract64 } = require('fast-check-monorepo');14console.log(substract64(10, 5));15const { substract64 } = require('fast-check-monorepo');16console.log(substract64(10, 5));17const { substract64 } = require('fast-check-monorepo');18console.log(substract64(10, 5));19const { substract64 } = require('fast-check-monorepo');20console.log(substract64(10, 5));21const { substract64 } = require('fast-check-monorepo');22console.log(sub

Using AI Code Generation

1const fc = require('fast-check');2fc.substract64(1,2);3const fc = require('fast-check');4fc.substract64(1,2);5const fc = require('fast-check');6fc.substract64(1,2);7const fc = require('fast-check');8fc.substract64(1,2);9const fc = require('fast-check');10fc.substract64(1,2);11const fc = require('fast-check');12fc.substract64(1,2);13const fc = require('fast-check');14fc.substract64(1,2);15const fc = require('fast-check');16fc.substract64(1,2);17const fc = require('fast-check');18fc.substract64(1,2);19const fc = require('fast-check');20fc.substract64(1,2);21const fc = require('fast-check');22fc.substract64(1,2);23const fc = require('fast-check');24fc.substract64(1,2);25const fc = require('fast-check');26fc.substract64(1,2);

Using AI Code Generation

1const { substract64 } = require('fast-check-monorepo');2const result = substract64(3, 2);3console.log(result);4const { multiply64 } = require('fast-check-monorepo');5const result = multiply64(3, 2);6console.log(result);7const { divide64 } = require('fast-check-monorepo');8const result = divide64(3, 2);9console.log(result);10const { mod64 } = require('fast-check-monorepo');11const result = mod64(3, 2);12console.log(result);13const { and64 } = require('fast-check-monorepo');14const result = and64(3, 2);15console.log(result);16const { or64 } = require('fast-check-monorepo');17const result = or64(3, 2);18console.log(result);19const { xor64 } = require('fast-check-monorepo');20const result = xor64(3, 2);21console.log(result);22const { not64 } = require('fast-check-monorepo');23const result = not64(3);24console.log(result);25const { shl64 } = require('fast-check-monorepo');26const result = shl64(3, 2);27console.log(result);28const { shr64 } = require('fast-check-monorepo');29const result = shr64(3, 2);30console.log(result);

Using AI Code Generation

1const { substract64 } = require('fast-check-monorepo');2console.log(substract64(1, 2));3const { add64 } = require('fast-check-monorepo');4console.log(add64(1, 2));5{6  "dependencies": {7  }8}9module.exports = {10  add64: require('./add64'),11  substract64: require('./substract64')12};13const fc = require('fast-check');14const add64 = (a, b) => {15  const a64 = fc.integer(0, Number.MAX_SAFE_INTEGER);16  const b64 = fc.integer(0, Number.MAX_SAFE_INTEGER);17  return a64 + b64;18};19module.exports = add64;20const fc = require('fast-check');21const substract64 = (a, b) => {22  const a64 = fc.integer(0, Number.MAX_SAFE_INTEGER);23  const b64 = fc.integer(0, Number.MAX_SAFE_INTEGER);24  return a64 - b64;25};26module.exports = substract64;27const { add64 } = require('../fast-check-monorepo');28describe('add64', () =>

Using AI Code Generation

1const { substract64 } = require('fast-check-monorepo');2const assert = require('assert');3const a = 0x0000000000000000n;4const b = 0xffffffffffffffffn;5const expected = 0xffffffffffffffffn;6const actual = substract64(a, b);7assert.strictEqual(actual, expected);8const { substract64 } = require('fast-check-monorepo');9const assert = require('assert');10const a = 0x8000000000000000n;11const b = 0x8000000000000000n;12const expected = 0x0000000000000000n;13const actual = substract64(a, b);14assert.strictEqual(actual, expected);15const { substract64 } = require('fast-check-monorepo');16const assert = require('assert');17const a = 0x8000000000000000n;18const b = 0x8000000000000001n;19const expected = 0xffffffffffffffffn;20const actual = substract64(a, b);21assert.strictEqual(actual, expected);22const { substract64 } = require('fast-check-monorepo');23const assert = require('assert');24const a = 0x8000000000000000n;25const b = 0x8000000000000002n;26const expected = 0xfffffffffffffffen;27const actual = substract64(a, b);28assert.strictEqual(actual, expected);29const { substract64 } = require('fast-check-monorepo');30const assert = require('assert');31const a = 0x0000000000000000n;32const b = 0x0000000000000000n;33const expected = 0x0000000000000000n;34const actual = substract64(a, b);35assert.strictEqual(actual, expected);36const { substract64 } =

Using AI Code Generation

1const subtract64 = require('../test1/test1.js').subtract64;2const assert = require('assert');3describe('test3.js', () => {4    it('should substract 64 from 128', () => {5        assert.equal(subtract64(128), 64);6    });7});8const subtract64 = require('../test1/test1.js').subtract64;9const assert = require('assert');10describe('test4.js', () => {11    it('should substract 64 from 128', () => {12        assert.equal(subtract64(128), 64);13    });14});15const subtract64 = require('../test1/test1.js').subtract64;16const assert = require('assert');17describe('test5.js', () => {18    it('should substract 64 from 128', () => {19        assert.equal(subtract64(128), 64);20    });21});22const subtract64 = require('../test1/test1.js').subtract64;23const assert = require('assert');24describe('test6.js', () => {25    it('should substract 64 from 128', () => {26        assert.equal(subtract64(128), 64);27    });28});29const subtract64 = require('../test1/test1.js').subtract64;30const assert = require('assert');31describe('test7.js', () => {32    it('should substract 64 from 128', () => {33        assert.equal(subtract64(128), 64);34    });35});36const subtract64 = require('../test1/test1.js').subtract64;37const assert = require('assert');38describe('test8.js', () => {39    it('should substract 64 from 128', () => {40        assert.equal(subtract64(

Using AI Code Generation

1'use strict';2const fc = require('fast-check');3const test = require('tape');4const substract64 = require('fast-check-monorepo/packages/fast-check/src/check/arbitrary/IntegerArbitrary.ts').substract64;5test('test', (t) => {6    t.plan(1);7    const min = BigInt(0);8    const max = BigInt(2) ** BigInt(64) - BigInt(1);9    const arb = fc.integer({min, max});10    t.equal(arb.generate(1), substract64(max, min));11});12'use strict';13const fc = require('fast-check');14const test = require('tape');15const substract64 = require('fast-check-monorepo/packages/fast-check/src/check/arbitrary/IntegerArbitrary.ts').substract64;16test('test', (t) => {17    t.plan(1);18    const min = BigInt(0);19    const max = BigInt(2) ** BigInt(64) - BigInt(1);20    const arb = fc.integer({min, max});21    t.equal(arb.generate(1), substract64(max, min));22});23'use strict';24const fc = require('fast-check');25const test = require('tape');26const substract64 = require('fast-check-monorepo/packages/fast-check/src/check/arbitrary/IntegerArbitrary.ts').substract64;27test('test', (t) => {28    t.plan(1);29    const min = BigInt(0);30    const max = BigInt(2) ** BigInt(64) - BigInt(1);31    const arb = fc.integer({min, max});32    t.equal(arb.generate(1), substract64(max, min));33});

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.