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How to use maxStrictlyGreaterZero method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

ArrayInt64Arbitrary.ts

Source:ArrayInt64Arbitrary.ts

1import { Random } from '../../random/generator/Random';2import { stream, Stream } from '../../stream/Stream';3import { Arbitrary } from '../../check/arbitrary/definition/Arbitrary';4import { Value } from '../../check/arbitrary/definition/Value';5import {6  add64,7  ArrayInt64,8  halve64,9  isEqual64,10  isStrictlyNegative64,11  isStrictlyPositive64,12  isStrictlySmaller64,13  isZero64,14  logLike64,15  substract64,16  Unit64,17  Zero64,18} from './helpers/ArrayInt64';19/** @internal */20class ArrayInt64Arbitrary extends Arbitrary<ArrayInt64> {21  private biasedRanges: { min: ArrayInt64; max: ArrayInt64 }[] | null = null;22  constructor(readonly min: ArrayInt64, readonly max: ArrayInt64) {23    super();24  }25  generate(mrng: Random, biasFactor: number | undefined): Value<ArrayInt64> {26    const range = this.computeGenerateRange(mrng, biasFactor);27    const uncheckedValue = mrng.nextArrayInt(range.min, range.max);28    if (uncheckedValue.data.length === 1) {29      // either 1 or 2, never 0 or >230      uncheckedValue.data.unshift(0); // prepend a zero31    }32    return new Value(uncheckedValue as ArrayInt64, undefined);33  }34  private computeGenerateRange(mrng: Random, biasFactor: number | undefined): { min: ArrayInt64; max: ArrayInt64 } {35    if (biasFactor === undefined || mrng.nextInt(1, biasFactor) !== 1) {36      return { min: this.min, max: this.max };37    }38    const ranges = this.retrieveBiasedRanges();39    if (ranges.length === 1) {40      return ranges[0];41    }42    const id = mrng.nextInt(-2 * (ranges.length - 1), ranges.length - 2); // 1st range has the highest priority43    return id < 0 ? ranges[0] : ranges[id + 1];44  }45  canShrinkWithoutContext(value: unknown): value is ArrayInt64 {46    const unsafeValue = value as ArrayInt64;47    return (48      typeof value === 'object' &&49      value !== null &&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      ];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;...

Using AI Code Generation

1const { maxStrictlyGreaterZero } = require('fast-check-monorepo');2const { maxStrictlyGreaterZero } = require('fast-check-monorepo');3const { maxStrictlyGreaterZero } = require('fast-check-monorepo');4const { maxStrictlyGreaterZero } = require('fast-check-monorepo');5const { maxStrictlyGreaterZero } = require('fast-check-monorepo');6const { maxStrictlyGreaterZero } = require('fast-check-monorepo');7const { maxStrictlyGreaterZero } = require('fast-check-monorepo');

Using AI Code Generation

1const { maxStrictlyGreaterZero } = require('fast-check-monorepo');2const assert = require('assert');3assert.strictEqual(maxStrictlyGreaterZero([1, 2, 3]), 3);4assert.strictEqual(maxStrictlyGreaterZero([-1, 2, 3]), 3);5assert.strictEqual(maxStrictlyGreaterZero([-1, 2, 3, 0]), 3);6assert.strictEqual(maxStrictlyGreaterZero([-1, -2, -3]), -1);7assert.throws(() => maxStrictlyGreaterZero([0]), { message: 'No strictly greater zero number in []' });8assert.throws(() => maxStrictlyGreaterZero([-1, 0]), { message: 'No strictly greater zero number in [-1,0]' });9assert.throws(() => maxStrictlyGreaterZero([-1, -2]), { message: 'No strictly greater zero number in [-1,-2]' });10console.log('PASS');11const { maxStrictlyGreaterZero } = require('fast-check-monorepo');12const assert = require('assert');13assert.strictEqual(maxStrictlyGreaterZero([1, 2, 3]), 3);14assert.strictEqual(maxStrictlyGreaterZero([-1, 2, 3]), 3);15assert.strictEqual(maxStrictlyGreaterZero([-1, 2, 3, 0]), 3);16assert.strictEqual(maxStrictlyGreaterZero([-1, -2, -3]), -1);17assert.throws(() => maxStrictlyGreaterZero([0]), { message: 'No strictly greater zero number in []' });18assert.throws(() => maxStrictlyGreaterZero([-1, 0]), { message: 'No strictly greater zero number in [-1,0]' });19assert.throws(() => maxStrictlyGreaterZero([-1, -2]), { message: 'No strictly greater zero number in [-1,-2]' });20console.log('PASS');21const { maxStrictlyGreaterZero } = require('fast-check-monorepo');22const assert = require('assert');23assert.strictEqual(maxStrictlyGreaterZero([1, 2, 3]), 3);24assert.strictEqual(maxStrictlyGreaterZero([-1,

Using AI Code Generation

1import { maxStrictlyGreaterZero } from 'fast-check-monorepo';2import { maxStrictlyGreaterZero } from 'fast-check-monorepo';3const result = maxStrictlyGreaterZero(2, 3);4const result = maxStrictlyGreaterZero(2, 3);5console.log(result);6console.log(result);7import { maxStrictlyGreaterZero } from 'fast-check-monorepo';8import { maxStrictlyGreaterZero } from 'fast-check-monorepo';9const result = maxStrictlyGreaterZero(2, 3);10const result = maxStrictlyGreaterZero(2, 3);11console.log(result);12console.log(result);13import { maxStrictlyGreaterZero } from 'fast-check-monorepo';14import { maxStrictlyGreaterZero } from 'fast-check-monorepo';15const result = maxStrictlyGreaterZero(2, 3);16const result = maxStrictlyGreaterZero(2, 3);17console.log(result);18console.log(result);19import { maxStrictlyGreaterZero } from 'fast-check-monorepo';20import { maxStrictlyGreaterZero } from 'fast-check-monorepo';21const result = maxStrictlyGreaterZero(2, 3);22const result = maxStrictlyGreaterZero(2, 3);23console.log(result);24console.log(result);25import { maxStrictlyGreaterZero } from 'fast-check-monorepo';26import { maxStrictly

Using AI Code Generation

1const {maxStrictlyGreaterZero} = require('fast-check-monorepo');2const maxStrictlyGreaterZero = require('fast-check-monorepo');3const maxStrictlyGreaterZero = require('fast-check-monorepo/maxStrictlyGreaterZero');4const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero');5const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.js');6const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.ts');7const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.tsx');8const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.mjs');9const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.cjs');10const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.cjsx');11const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.jsx');12const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.json');13const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.json5');14const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.yaml');15const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.yml');16const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.xml');17const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.ini');18const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.csv');19const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.txt');20const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.md');21const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.markdown');22const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.htm');23const maxStrictlyGreaterZero = require('fast-check-monorepo/dist/maxStrictlyGreaterZero.html');

Using AI Code Generation

1const {maxStrictlyGreaterZero} = require('fast-check-monorepo');2const {property} = require('fast-check');3const assert = require('assert');4property(maxStrictlyGreaterZero, (x) => {5    assert(x > 0);6    return true;7});8property(maxStrictlyGreaterZero, (x) => {9    assert(x > 0);10    return true;11}, { seed: 42 });12property(maxStrictlyGreaterZero, (x) => {13    assert(x > 0);14    return true;15}, { seed: 42, numRuns: 1000 });16property(maxStrictlyGreaterZero, (x) => {17    assert(x > 0);18    return true;19}, { seed: 42, numRuns: 1000, maxSkipsPerRun: 100 });20const {maxStrictlyGreaterZero} = require('fast-check-monorepo');21const {property} = require('fast-check');22const assert = require('assert');23property(maxStrictlyGreaterZero, (x) => {24    assert(x > 0);25    return true;26});27property(maxStrictlyGreaterZero, (x) => {28    assert(x > 0);29    return true;30}, { seed: 42 });31property(maxStrictlyGreaterZero, (x) => {32    assert(x > 0);33    return true;34}, { seed: 42, numRuns: 1000 });35property(maxStrictlyGreaterZero, (x) => {36    assert(x > 0);37    return true;38}, { seed: 42, numRuns: 1000, max

Using AI Code Generation

1const { maxStrictlyGreaterZero } = require('fast-check-monorepo');2const { run } = require('fast-check');3const { property } = require('fast-check');4describe('maxStrictlyGreaterZero method', () => {5  it('should return 1 for 1', () => {6    expect(maxStrictlyGreaterZero(1)).toBe(1);7  });8  it('should return 1 for 0', () => {9    expect(maxStrictlyGreaterZero(0)).toBe(1);10  });11  it('should return 1 for -1', () => {12    expect(maxStrictlyGreaterZero(-1)).toBe(1);13  });14});15const { maxStrictlyGreaterZero } = require('fast-check-monorepo');16const { run } = require('fast-check');17const { property } = require('fast-check');18describe('maxStrictlyGreaterZero method', () => {19  it('should return 1 for 1', () => {20    expect(maxStrictlyGreaterZero(1)).toBe(1);21  });22  it('should return 1 for 0', () => {23    expect(maxStrictlyGreaterZero(0)).toBe(1);24  });25  it('should return 1 for -1', () => {26    expect(maxStrictlyGreaterZero(-1)).toBe(1);27  });28});29const { maxStrictlyGreaterZero } = require('fast-check-monorepo');30const { run } = require('fast-check');31const { property } = require('fast-check');32describe('maxStrictlyGreaterZero method', () => {33  it('should return 1 for 1', () => {34    expect(maxStrictlyGreaterZero(1)).toBe(1);35  });36  it('should return 1 for 0', () => {37    expect(maxStrictlyGreaterZero(0)).toBe(1);38  });39  it('should return 1 for -1', () => {40    expect(maxStrictlyGreaterZero(-1)).toBe(1);

Using AI Code Generation

1import { maxStrictlyGreaterZero } from 'fast-check-monorepo';2import { MaxStrictlyGreaterZero } from './maxStrictlyGreaterZero';3let result;4let result2;5let result3;6let result4;7let result5;8let result6;9let result7;10let result8;11let result9;12let result10;13let result11;14let result12;15let result13;

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