How to use nTogglePositions method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

MixedCaseArbitrary.ts

Source:MixedCaseArbitrary.ts

1import { Random } from '../../random/generator/Random';2import { Stream } from '../../stream/Stream';3import { bigUintN } from '../bigUintN';4import { Arbitrary } from '../../check/arbitrary/definition/Arbitrary';5import { Value } from '../../check/arbitrary/definition/Value';6import { makeLazy } from '../../stream/LazyIterableIterator';7import {8  applyFlagsOnChars,9  computeFlagsFromChars,10  computeNextFlags,11  computeTogglePositions,12} from './helpers/ToggleFlags';13import { safeJoin, safeSlice } from '../../utils/globals';14import { BigInt } from '../../utils/globals';15/** @internal */16type MixedCaseArbitraryContext = {17  rawString: string;18  rawStringContext: unknown;19  flags: bigint;20  flagsContext: unknown;21};22/** @internal */23export class MixedCaseArbitrary extends Arbitrary<string> {24  constructor(25    private readonly stringArb: Arbitrary<string>,26    private readonly toggleCase: (rawChar: string) => string,27    private readonly untoggleAll: ((toggledString: string) => string) | undefined28  ) {29    super();30  }31  /**32   * Create a proper context33   * @param rawStringValue34   * @param flagsValue35   */36  private buildContextFor(rawStringValue: Value<string>, flagsValue: Value<bigint>): MixedCaseArbitraryContext {37    return {38      rawString: rawStringValue.value,39      rawStringContext: rawStringValue.context,40      flags: flagsValue.value,41      flagsContext: flagsValue.context,42    };43  }44  generate(mrng: Random, biasFactor: number | undefined): Value<string> {45    const rawStringValue = this.stringArb.generate(mrng, biasFactor);46    const chars = [...rawStringValue.value]; // split into valid unicode (keeps surrogate pairs)47    const togglePositions = computeTogglePositions(chars, this.toggleCase);48    const flagsArb = bigUintN(togglePositions.length);49    const flagsValue = flagsArb.generate(mrng, undefined); // true => toggle the char, false => keep it as-is50    applyFlagsOnChars(chars, flagsValue.value, togglePositions, this.toggleCase);51    return new Value(safeJoin(chars, ''), this.buildContextFor(rawStringValue, flagsValue));52  }53  canShrinkWithoutContext(value: unknown): value is string {54    if (typeof value !== 'string') {55      return false;56    }57    return this.untoggleAll !== undefined58      ? this.stringArb.canShrinkWithoutContext(this.untoggleAll(value))59      : // If nothing was toggled or if the underlying generator can still shrink it, we consider it shrinkable60        this.stringArb.canShrinkWithoutContext(value);61  }62  shrink(value: string, context?: unknown): Stream<Value<string>> {63    let contextSafe: MixedCaseArbitraryContext;64    if (context !== undefined) {65      contextSafe = context as MixedCaseArbitraryContext;66    } else {67      // As user should have called canShrinkWithoutContext first;68      // We know that the untoggled string can be shrunk without any context69      if (this.untoggleAll !== undefined) {70        const untoggledValue = this.untoggleAll(value);71        const valueChars = [...value];72        const untoggledValueChars = [...untoggledValue];73        const togglePositions = computeTogglePositions(untoggledValueChars, this.toggleCase);74        contextSafe = {75          rawString: untoggledValue,76          rawStringContext: undefined,77          flags: computeFlagsFromChars(untoggledValueChars, valueChars, togglePositions),78          flagsContext: undefined,79        };80      } else {81        contextSafe = {82          rawString: value,83          rawStringContext: undefined,84          flags: BigInt(0),85          flagsContext: undefined,86        };87      }88    }89    const rawString = contextSafe.rawString;90    const flags = contextSafe.flags;91    return this.stringArb92      .shrink(rawString, contextSafe.rawStringContext)93      .map((nRawStringValue) => {94        const nChars = [...nRawStringValue.value];95        const nTogglePositions = computeTogglePositions(nChars, this.toggleCase);96        const nFlags = computeNextFlags(flags, nTogglePositions.length);97        // Potentially new value for nTogglePositions.length, new value for nFlags98        // so flagsContext is not applicable anymore99        applyFlagsOnChars(nChars, nFlags, nTogglePositions, this.toggleCase);100        // Remark: Value nFlags can be attached to a context equal to undefined101        // as `canShrinkWithoutContext(nFlags) === true` for the bigint arbitrary102        return new Value(safeJoin(nChars, ''), this.buildContextFor(nRawStringValue, new Value(nFlags, undefined)));103      })104      .join(105        makeLazy(() => {106          const chars = [...rawString];107          const togglePositions = computeTogglePositions(chars, this.toggleCase);108          return bigUintN(togglePositions.length)109            .shrink(flags, contextSafe.flagsContext)110            .map((nFlagsValue) => {111              const nChars = safeSlice(chars); // cloning chars112              applyFlagsOnChars(nChars, nFlagsValue.value, togglePositions, this.toggleCase);113              return new Value(114                safeJoin(nChars, ''),115                this.buildContextFor(new Value(rawString, contextSafe.rawStringContext), nFlagsValue)116              );117            });118        })119      );120  }...

Using AI Code Generation

1const fc = require("fast-check");2const { nTogglePositions } = require("fast-check/lib/check/arbitrary/NumericArbitrary");3console.log(nTogglePositions(1, 2, 1));4console.log(nTogglePositions(1, 2, 2));5console.log(nTogglePositions(1, 2, 3));6console.log(nTogglePositions(1, 2, 4));7console.log(nTogglePositions(1, 2, 5));8const fc = require("fast-check");9const { nTogglePositions } = require("fast-check/lib/check/arbitrary/NumericArbitrary");10console.log(nTogglePositions(1, 3, 1));11console.log(nTogglePositions(1, 3, 2));12console.log(nTogglePositions(1, 3, 3));13console.log(nTogglePositions(1, 3, 4));14console.log(nTogglePositions(1, 3, 5));15const fc = require("fast-check");16const { nTogglePositions } = require("fast-check/lib/check/arbitrary/NumericArbitrary");17console.log(nTogglePositions(1, 4, 1));18console.log(nTogglePositions(1, 4, 2));19console.log(nTogglePositions(1, 4, 3));20console.log(nTogglePositions(1, 4, 4));21console.log(nTogglePositions(1, 4, 5));22const fc = require("fast-check");23const { nTogglePositions } = require("fast-check/lib/check

Using AI Code Generation

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

Using AI Code Generation

1const fc = require('fast-check');2const nTogglePositions = require('fast-check/src/check/arbitrary/NextArbitrary.ts').nTogglePositions3const nTogglePositionsTest = () => {4    let n = 10;5    let p = 1;6    let result = nTogglePositions(n, p);7    console.log(result);8}9nTogglePositionsTest();10const fc = require('fast-check');11const nTogglePositions = require('fast-check-monorepo/packages/fast-check/src/check/arbitrary/NextArbitrary.ts').nTogglePositions12const nTogglePositionsTest = () => {13    let n = 10;14    let p = 1;15    let result = nTogglePositions(n, p);16    console.log(result);17}18nTogglePositionsTest();

Using AI Code Generation

1const { nTogglePositions } = require('fast-check-monorepo');2const n = 3;3const m = 3;4const result = nTogglePositions(n, m);5console.log(result);6const { nTogglePositions } = require('fast-check-monorepo');7const n = 4;8const m = 3;9const result = nTogglePositions(n, m);10console.log(result);11const { nTogglePositions } = require('fast-check-monorepo');12const n = 5;13const m = 3;14const result = nTogglePositions(n, m);15console.log(result);16const { nTogglePositions } = require('fast-check-monorepo');17const n = 6;18const m = 3;19const result = nTogglePositions(n, m);20console.log(result);21const { nTogglePositions } = require('fast-check-monorepo');22const n = 7;23const m = 3;24const result = nTogglePositions(n, m);25console.log(result);26const { nTogglePositions } = require('fast-check-monorepo');27const n = 8;28const m = 3;29const result = nTogglePositions(n, m);30console.log(result);31const { nTogglePositions } = require('fast-check-monorepo');32const n = 9;33const m = 3;34const result = nTogglePositions(n, m);35console.log(result);36const { nTogglePositions } = require('fast-check-monorepo');37const n = 10;38const m = 3;39const result = nTogglePositions(n, m);40console.log(result);

Using AI Code Generation

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

Using AI Code Generation

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

Using AI Code Generation

1const fc = require('fast-check');2const arb = fc.integer();3arb.nTogglePositions(2).generate();4const fc = require('fast-check');5const arb = fc.integer();6arb.nTogglePositions(2).generate();7const fc = require('fast-check');8const arb = fc.integer();9arb.nTogglePositions(2).generate();10const fc = require('fast-check');11const arb = fc.integer();12arb.nTogglePositions(2).generate();

Using AI Code Generation

1const { nTogglePositions } = require('fast-check/lib/check/arbitrary/definition/ArbitraryRunner.js');2const n = 100;3const positions = nTogglePositions(n);4console.log(positions);5describe('ArbitraryRunner', () => {6  describe('nTogglePositions', () => {7    it('Should generate the expected number of positions', () => {8      fc.assert(9        fc.property(fc.nat(100), (n) => {10          const positions = nTogglePositions(n);11          expect(positions.length).toBe(n);12        })13      );14    });15  });16});

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