Best JavaScript code snippet using fast-check-monorepo
memo.spec.ts
Source:memo.spec.ts
1import { memo } from '../../../src/arbitrary/memo';2import { fakeArbitrary } from './__test-helpers__/ArbitraryHelpers';3import { fakeRandom } from './__test-helpers__/RandomHelpers';4describe('memo', () => {5 it('should return the produced instance of arbitrary', () => {6 // Arrange7 const { instance: expectedArb } = fakeArbitrary();8 const builder = memo(() => expectedArb);9 // Act10 const arb = builder();11 // Assert12 expect(arb).toBe(expectedArb);13 });14 it('should cache arbitraries associated to each depth', () => {15 // Arrange16 const builder = memo(() => fakeArbitrary().instance);17 // Act18 const arb = builder();19 // Assert20 expect(builder(10)).toBe(builder(10));21 expect(builder(42)).toBe(builder(42));22 expect(builder(65500)).toBe(builder(65500));23 expect(builder()).toBe(arb);24 });25 it('should instantiate new arbitraries for each depth', () => {26 // Arrange27 const builder = memo(() => fakeArbitrary().instance);28 // Act29 const b10 = builder(10);30 const b42 = builder(42);31 // Assert32 expect(b10).not.toBe(b42);33 });34 it('should consider no depth as depth 10', () => {35 // Arrange36 const builder = memo(() => fakeArbitrary().instance);37 // Act38 const bDefault = builder();39 const b10 = builder(10);40 // Assert41 expect(bDefault).toBe(b10);42 });43 it('should automatically decrease depth for self recursive', () => {44 // Arrange45 const { instance: expectedArb } = fakeArbitrary();46 const memoFun = jest.fn();47 const builder = memo(memoFun);48 memoFun.mockImplementation((n) => (n <= 6 ? expectedArb : builder()));49 // Act50 builder();51 // Assert52 expect(memoFun.mock.calls).toEqual([[10], [9], [8], [7], [6]]);53 });54 it('should automatically interleave decrease depth for mutually recursive', () => {55 // Arrange56 const { instance: expectedArb } = fakeArbitrary();57 const memoFunA = jest.fn();58 const memoFunB = jest.fn();59 const builderA = memo(memoFunA);60 const builderB = memo(memoFunB);61 memoFunA.mockImplementation((n) => (n <= 6 ? expectedArb : builderB()));62 memoFunB.mockImplementation((n) => (n <= 6 ? expectedArb : builderA()));63 // Act64 builderA();65 // Assert66 expect(memoFunA.mock.calls).toEqual([[10], [8], [6]]);67 expect(memoFunB.mock.calls).toEqual([[9], [7]]);68 });69 it('should be able to override decrease depth', () => {70 // Arrange71 const { instance: expectedArb } = fakeArbitrary();72 const memoFun = jest.fn();73 const builder = memo(memoFun);74 memoFun.mockImplementation((n) => (n <= 0 ? expectedArb : builder(n - 3)));75 // Act76 builder();77 // Assert78 expect(memoFun.mock.calls).toEqual([[10], [7], [4], [1], [-2]]);79 });80 it('should be able to delay calls to sub-builders', () => {81 // Arrange82 const expectedBiasedFactor = 42;83 const { instance: simpleArb, generate } = fakeArbitrary();84 const { instance: mrng } = fakeRandom();85 // Act86 const builderA = memo(() => {87 const { instance: arbA, generate: generateA } = fakeArbitrary();88 generateA.mockImplementation((mrng, biasedFactor) => builderB().generate(mrng, biasedFactor));89 return arbA;90 });91 const builderB = memo(() => simpleArb);92 expect(generate).not.toHaveBeenCalled();93 builderA().generate(mrng, expectedBiasedFactor);94 // Assert95 expect(generate).toHaveBeenCalledWith(mrng, expectedBiasedFactor);96 });...
Using AI Code Generation
1const fastCheck = require('fast-check');2const memoFunB = require('fast-check-monorepo/dist/lib/check/arbitrary/MemoArbitrary').memoFunB;3const memoFun = require('fast-check-monorepo/dist/lib/check/arbitrary/MemoArbitrary').memoFun;4const memo = require('fast-check-monorepo/dist/lib/check/arbitrary/MemoArbitrary').memo;5const memoB = require('fast-check-monorepo/dist/lib/check/arbitrary/MemoArbitrary').memoB;6const arb = fastCheck.integer(0, 100);7const arbMemo = memoFunB((n) => fastCheck.integer(0, n), arb);8arbMemo.sample(10).map((sample) => console.log(sample));9const fastCheck = require('fast-check');10const memoFun = require('fast-check/dist/lib/check/arbitrary/MemoArbitrary').memoFun;11const memo = require('fast-check/dist/lib/check/arbitrary/MemoArbitrary').memo;12const arb = fastCheck.integer(0, 100);13const arbMemo = memoFun((n) => fastCheck.integer(0, n), arb);14arbMemo.sample(10).map((sample) => console.log(sample));
Using AI Code Generation
1import { memoFunB } from 'fast-check';2const memoizedFunction = memoFunB((a: number, b: number) => a + b);3console.log(memoizedFunction(1, 2));4console.log(memoizedFunction(1, 2));5import { memoFunB } from 'fast-check';6const memoizedFunction = memoFunB((a: number, b: number) => a + b);7console.log(memoizedFunction(1, 2));8console.log(memoizedFunction(1, 2));9const obj = { a: 1, b: 2 };10console.log(JSON.stringify(obj) === JSON.stringify({ b: 2, a: 1 }));11`${JSON.stringify(a)}-${JSON.stringify(b)}`;
Using AI Code Generation
1const { memoFunB } = require('fast-check-monorepo');2const memoizedFun = memoFunB((a, b) => a + b);3const { memoFunB } = require('fast-check');4const memoizedFun = memoFunB((a, b) => a + b);5const { memoFunB } = require('fast-check');6const memoizedFun = memoFunB((a, b) => a + b);7const { memoFunB } = require('fast-check');8const memoizedFun = memoFunB((a, b) => a + b);9const { memoFunB } = require('fast-check');10const memoizedFun = memoFunB((a, b) => a + b);11const { memoFunB } = require('fast-check');12const memoizedFun = memoFunB((a, b) => a + b);
Using AI Code Generation
1const { memoFunB } = require("fast-check-monorepo");2const memoFunB = memoFunB((a, b) => a + b, { cacheSize: 1000 });3memoFunB(1, 2);4const { memoFunB } = require("fast-check-monorepo");5const memoFunB = memoFunB((a, b) => a + b, { cacheSize: 1000 });6memoFunB(1, 2);7const { memoFunB } = require("fast-check-monorepo");8const memoFunB = memoFunB((a, b) => a + b, { cacheSize: 1000 });9memoFunB(1, 2);10const { memoFunB } = require("fast-check-monorepo");11const memoFunB = memoFunB((a, b) => a + b, { cacheSize: 1000 });12memoFunB(1, 2);13const { memoFunB } = require("fast-check-monorepo");14const memoFunB = memoFunB((a, b) => a + b, { cacheSize: 1000 });15memoFunB(1, 2);16const { memoFunB } = require("fast-check-monorepo");17const memoFunB = memoFunB((a, b) => a + b, { cacheSize: 1000 });18memoFunB(1, 2);19const { memoFunB } = require("fast-check-monorepo");20const memoFunB = memoFunB((a, b) => a + b, { cacheSize: 1000 });21memoFunB(1, 2);
Using AI Code Generation
1const memoFunB = require('fast-check/lib/check/arbitrary/MemoArbitraryWrapper').memoFunB;2const memoB = memoFunB((x) => x + 1);3console.log(memoB(1));4const memoFunA = require('fast-check/lib/check/arbitrary/MemoArbitraryWrapper').memoFunA;5const memoA = memoFunA((x) => x + 1);6console.log(memoA(1));7const memoFunB = require('fast-check/lib/check/arbitrary/MemoArbitraryWrapper').memoFunB;8const memoB = memoFunB((x) => x + 1);9console.log(memoB(1));10const memoFunA = require('fast-check/lib/check/arbitrary/MemoArbitraryWrapper').memoFunA;11const memoA = memoFunA((x) => x + 1);12console.log(memoA(1));
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