How to use computeTogglePositions method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

MixedCaseArbitrary.ts

Source:MixedCaseArbitrary.ts

...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  }121}

ToggleFlags.spec.ts

Source:ToggleFlags.spec.ts

...85  it('should properly tag toggleable positions', () => {86    fc.assert(87      fc.property(fc.array(fc.char()), fc.func(fc.char()), (chars, toggleCase) => {88        // Arrange / Act89        const positions = computeTogglePositions(chars, toggleCase);90        // Assert91        for (const p of positions) {92          expect(toggleCase(chars[p])).not.toBe(chars[p]);93        }94      })95    );96  });97  it('should not tag untoggleable positions', () => {98    fc.assert(99      fc.property(fc.array(fc.char()), fc.func(fc.char()), (chars, toggleCase) => {100        // Arrange / Act101        const positions = computeTogglePositions(chars, toggleCase);102        // Assert103        for (let index = 0; index !== chars.length; ++index) {104          if (!positions.includes(index)) {105            expect(toggleCase(chars[index])).toBe(chars[index]);106          }107        }108      })109    );110  });111});112describe('computeFlagsFromChars', () => {113  if (typeof BigInt === 'undefined') {114    it('no test', () => {115      expect(true).toBe(true);116    });117    return;118  }119  it('should be able to find back flags out of source and final chars', () => {120    fc.assert(121      fc.property(fc.array(fc.char()), fc.func(fc.char()), fc.bigUint(), (chars, toggleCase, flagsUnmasked) => {122        // Arrange123        const positions = computeTogglePositions(chars, toggleCase);124        const mask = (BigInt(1) << BigInt(positions.length)) - BigInt(1);125        const flags = flagsUnmasked & mask;126        const finalChars = [...chars];127        applyFlagsOnChars(finalChars, flags, positions, toggleCase);128        // Act129        const out = computeFlagsFromChars(chars, finalChars, positions);130        // Assert131        expect(out).toBe(flags);132      })133    );134  });...

ToggleFlags.ts

Source:ToggleFlags.ts

...25  }26  return nFlags;27}28/** @internal */29export function computeTogglePositions(chars: string[], toggleCase: (rawChar: string) => string): number[] {30  const positions: number[] = [];31  for (let idx = chars.length - 1; idx !== -1; --idx) {32    if (toggleCase(chars[idx]) !== chars[idx]) safePush(positions, idx);33  }34  return positions;35}36/**37 * Compute the flags required to move from untoggledChars to toggledChars38 *39 * @param untoggledChars - Original string split into characters40 * @param toggledChars - Toggled version of the string41 * @param togglePositions - Array referencing all case sensitive indexes in chars42 *43 * @internal...

Using AI Code Generation

1const fc = require('fast-check');2const computeTogglePositions = require('fast-check/lib/check/runner/Runner').computeTogglePositions;3const togglePositions = computeTogglePositions(3, 3);4console.log(togglePositions);5const fc = require('fast-check');6const computeTogglePositions = require('fast-check/lib/check/runner/Runner').computeTogglePositions;7const togglePositions = computeTogglePositions(3, 4);8console.log(togglePositions);9const fc = require('fast-check');10const computeTogglePositions = require('fast-check/lib/check/runner/Runner').computeTogglePositions;11const togglePositions = computeTogglePositions(4, 4);12console.log(togglePositions);13const fc = require('fast-check');14const computeTogglePositions = require('fast-check/lib/check/runner/Runner').computeTogglePositions;15const togglePositions = computeTogglePositions(4, 5);16console.log(togglePositions);17const fc = require('fast-check');18const computeTogglePositions = require('fast-check/lib/check/runner/Runner').computeTogglePositions;19const togglePositions = computeTogglePositions(5, 5);20console.log(togglePositions);

Using AI Code Generation

1const fc = require('fast-check');2const {computeTogglePositions} = require('fast-check/src/check/runner/Runner');3const {computeTogglePositions2} = require('./test2.js');4const togglePositions = computeTogglePositions(1000);5const togglePositions2 = computeTogglePositions2(1000);6console.log(togglePositions);7console.log(togglePositions2);

Using AI Code Generation

1import { Runner } from 'fast-check';2const runner = new Runner(1, 1, 1, 1, 1, 1, 1, 1);3console.log(runner.computeTogglePositions(1, 1));4console.log(runner.computeTogglePositions(0, 1));5console.log(runner.computeTogglePositions(1, 0));6console.log(runner.computeTogglePositions(0, 0));7console.log(runner.computeTogglePositions(10, 1));8console.log(runner.computeTogglePositions(1, 10));9console.log(runner.computeTogglePositions(10, 10));10console.log(runner.computeTogglePositions(100, 10));11console.log(runner.computeTogglePositions(10, 100));12console.log(runner.computeTogglePositions(100, 100));13console.log(runner.computeTogglePositions(1000, 100));14console.log(runner.computeTogglePositions(100, 1000));15console.log(runner.computeTogglePositions(1000, 1000));16console.log(runner.computeTogglePositions(10000, 1000));17console.log(runner.computeTogglePositions(1000, 10000));18console.log(runner.computeTogglePositions(10000, 10000));19console.log(runner.computeTogglePositions(100000, 10000));20console.log(runner.computeTogglePositions(10000, 100000));21console.log(runner.computeTogglePositions(100000, 100000));22console.log(runner.computeTogglePositions(1000000, 100000));23console.log(runner.computeTogglePositions(100000, 1000000));24console.log(runner.computeTogglePositions(1000000, 1000000));25console.log(runner.computeTogglePositions(10000000, 1000000));26console.log(runner.computeTogglePositions(1000000, 10000000));27console.log(runner.computeTogglePositions(10000000, 10000000));28console.log(runner.computeTogglePositions(100000000, 10000000));29console.log(runner.computeTogglePositions(10000000, 100000000));30console.log(runner.computeTogglePositions(100000000, 100000000));31console.log(runner.computeTogglePositions(1000000000, 100000000));32console.log(runner.computeTogglePositions(100000000, 1000000000));

Using AI Code Generation

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

Using AI Code Generation

1const ArrayArbitrary = require('fast-check/lib/check/arbitrary/ArrayArbitrary.js').ArrayArbitrary;2const TogglePosition = require('fast-check/lib/check/arbitrary/ArrayArbitrary.js').TogglePosition;3const arrayArb = new ArrayArbitrary();4const togglePositions = arrayArb.computeTogglePositions([1, 2, 3, 4]);5console.log(togglePositions);6const togglePositions2 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5]);7console.log(togglePositions2);8const togglePositions3 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6]);9console.log(togglePositions3);10const togglePositions4 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7]);11console.log(togglePositions4);12const togglePositions5 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8]);13console.log(togglePositions5);14const togglePositions6 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8, 9]);15console.log(togglePositions6);16const togglePositions7 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);17console.log(togglePositions7);18const togglePositions8 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]);19console.log(togglePositions8);20const togglePositions9 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]);21console.log(togglePositions9);22const togglePositions10 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8,

Using AI Code Generation

1var fc = require("fast-check");2var PreconditionFailure = require("fast-check/lib/check/arbitrary/definition/PreconditionFailure");3var seed = 42;4var numRuns = 100;5var test3 = function () {6    var test = fc.property(fc.integer(), function (x) {7        fc.pre(x > 0);8        fc.pre(x < 100);9        return true;10    });11    var results = [];12    for (var i = 0; i < numRuns; i++) {13        results.push(test.generate(seed));14    }15    console.log(results);16    console.log("positions of toggles in the test case");17    console.log(PreconditionFailure.computeTogglePositions(results));18};19test3();

Using AI Code Generation

1const {computeTogglePositions} = require('fast-check');2const seed = 0;3const positions = computeTogglePositions(seed);4console.log(positions);5const positions2 = computeTogglePositions(seed + 1);6console.log(positions2);

Using AI Code Generation

1import { computeTogglePositions } from './fast-check-monorepo/packages/fast-check/src/check/runner/Runner';2const togglesPositions = computeTogglePositions();3console.log(togglesPositions);4const togglesPositions = computeTogglePositions();5console.log(togglesPositions);6import { computeTogglePositions } from './fast-check-monorepo/packages/fast-check/src/check/runner/Runner';7const togglesPositions = computeTogglePositions();8console.log(togglesPositions);9const togglesPositions = computeTogglePositions();10console.log(togglesPositions);11import { computeTogglePositions } from './fast-check-monorepo/packages/fast-check/src/check/runner/Runner';12const togglesPositions = computeTogglePositions();13console.log(togglesPositions);14const togglesPositions = computeTogglePositions();15console.log(togglesPositions);16import { computeTogglePositions } from './fast-check-monorepo/packages/fast-check/src/check/runner/Runner17const togglePositions3 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6]);18console.log(togglePositions3);19const togglePositions4 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7]);20console.log(togglePositions4);21const togglePositions5 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8]);22console.log(togglePositions5);23const togglePositions6 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8, 9]);24console.log(togglePositions6);25const togglePositions7 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8, 9, 1]);26console.log(togglePositions7);27const togglePositions8 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 11]);28console.log(togglePositions8);29const togglePositions9 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 11, 12];30console.log(togglePositions931const togglePositions10 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8,32console.log(runner.computeTogglePositions(100000, 1000000));33console.log(runner.computeTogglePositions(1000000, 1000000));34console.log(runner.computeTogglePositions(10000000, 1000000));35console.log(runner.computeTogglePositions(1000000, 10000000));36console.log(runner.computeTogglePositions(10000000, 10000000));37console.log(runner.computeTogglePositions(100000000, 10000000));38console.log(runner.computeTogglePositions(10000000, 100000000));39console.log(runner.computeTogglePositions(100000000, 100000000));40console.log(runner.computeTogglePositions(1000000000, 100000000));41console.log(runner.computeTogglePositions(100000000, 1000000000));

Using AI Code Generation

1const ArrayArbitrary = require('fast-check/lib/check/arbitrary/ArrayArbitrary.js').ArrayArbitrary;2const TogglePosition = require('fast-check/lib/check/arbitrary/ArrayArbitrary.js').TogglePosition;3const arrayArb = new ArrayArbitrary();4const togglePositions = arrayArb.computeTogglePositions([1, 2, 3, 4]);5console.log(togglePositions);6const togglePositions2 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5]);7console.log(togglePositions2);8const togglePositions3 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6]);9console.log(togglePositions3);10const togglePositions4 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7]);11console.log(togglePositions4);12const togglePositions5 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8]);13console.log(togglePositions5);14const togglePositions6 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8, 9]);15console.log(togglePositions6);16const togglePositions7 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);17console.log(togglePositions7);18const togglePositions8 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]);19console.log(togglePositions8);20const togglePositions9 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]);21console.log(togglePositions9);22const togglePositions10 = arrayArb.computeTogglePositions([1, 2, 3, 4, 5, 6, 7, 8,

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