Best JavaScript code snippet using fast-check-monorepo
api.ts
Source:api.ts
...181}182/**183 * @tsplus static fncts.test.SampleOps shrinkArrayInt64184 */185export function shrinkArrayInt64(target: ArrayInt64): (value: ArrayInt64) => Sample<never, ArrayInt64> {186 return (value) =>187 Sample.unfold(value, (max) =>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 );...
ArrayInt64Arbitrary.ts
Source:ArrayInt64Arbitrary.ts
...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)) {...
double.ts
Source:double.ts
...27 S.map((uncheckedValue) => {28 if (uncheckedValue.data.length === 1) {29 uncheckedValue.data.unshift(0)30 }31 return Sa.shrinkArrayInt64(min)(uncheckedValue as ArrayInt64)32 }),33 (_) => new Gen(_)34 )35}36export function double(constraints: NumberConstraints & FloatConstraints = {}): Gen<Has<Random>, number> {37 const {38 noDefaultInfinity = false,39 noNaN = false,40 min = noDefaultInfinity ? -Number.MAX_VALUE : Number.NEGATIVE_INFINITY,41 max = noDefaultInfinity ? Number.MAX_VALUE : Number.POSITIVE_INFINITY42 } = constraints43 return pipe(44 I.gen(function* (_) {45 const minIndex = yield* _(safeDoubleToIndex(min, 'min'))...
Using AI Code Generation
1import {shrinkArrayInt64} from './fast-check-monorepo/packages/fast-check/src/check/arbitrary/ArrayArbitrary';2import {unbiasedInt64} from './fast-check-monorepo/packages/fast-check/src/check/arbitrary/IntegerArbitrary';3const myShrinker = shrinkArrayInt64(unbiasedInt64(-100, 100));4const myShrinked = myShrinker.shrink(0n);5console.log(myShrinked);6import {shrinkArray} from './fast-check-monorepo/packages/fast-check/src/check/arbitrary/ArrayArbitrary';7import {unbiasedInt64} from './fast-check-monorepo/packages/fast-check/src/check/arbitrary/IntegerArbitrary';8const myShrinker = shrinkArray(unbiasedInt64(-100, 100));9const myShrinked = myShrinker.shrink(0n);10console.log(myShrinked);11import {shrinkArray} from './fast-check-monorepo/packages/fast-check/src/check/arbitrary/ArrayArbitrary';12import {unbiasedInt64} from './fast-check-monorepo/packages/fast-check/src/check/arbitrary/IntegerArbitrary';13const myShrinker = shrinkArray(unbiasedInt64(-100, 100));14const myShrinked = myShrinker.shrink(0n);15console.log(myShrinked);16import {shrinkArrayInt64} from './fast-check-monorepo/packages/fast-check/src/check/arbitrary/ArrayArbitrary';17import {unbiasedInt64} from './fast-check-monorepo/packages/fast-check/src/check/arbitrary/IntegerArbitrary';18const myShrinker = shrinkArrayInt64(unbiasedInt64(-100, 100));19const myShrinked = myShrinker.shrink(0n);20console.log(myShrinked);21import {shrink
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