Best JavaScript code snippet using fast-check-monorepo
hash.spec.ts
Source:hash.spec.ts
1import * as fc from 'fast-check';2import { hash } from '../../../src/utils/hash';3describe('hash', () => {4 it('Should produce hash values in 0x00000000 and 0xffffffff', () =>5 fc.assert(6 fc.property(fc.fullUnicodeString(), (a) => {7 const h = hash(a);8 return h >= 0 && h <= 0xffffffff;9 })10 ));11 it('Should be able to compute hash even for invalid strings', () =>12 fc.assert(fc.property(fc.char16bits(), (a) => typeof hash(a) === 'number')));13 it('Should compute the same value as reference for strings of characters <0x80', () =>14 fc.assert(fc.property(string0x80, (s) => hash(s) === hashReference(s))));15 it('Should compute the same value as reference for strings of characters <0x800', () =>16 fc.assert(fc.property(string0x800, (s) => hash(s) === hashReference(s))));17 it('Should compute the same value as reference for any string', () =>18 fc.assert(fc.property(fc.fullUnicodeString(), (s) => hash(s) === hashReference(s))));19 it('Should compute the same value as reference for potentially invalid strings', () =>20 fc.assert(fc.property(fc.char16bits(), (s) => hash(s) === hashReference(s))));21 it('Should consider any invalid surrogate pair as <ef bf bd> or 0xfffd', () => {22 // This is the behaviour of the reference implementation based on Buffer.from (see below)23 // Buffer.from([0xef,0xbf,0xbd]).toString('utf8') === '\ufffd'24 expect(hash('\ud800\ud800invalid pair')).toBe(hash('\ufffd\ufffdinvalid pair'));25 expect(hash('\ud800incomplete pair no end')).toBe(hash('\ufffdincomplete pair no end'));26 expect(hash('\udfffincomplete pair no start')).toBe(hash('\ufffdincomplete pair no start'));27 expect(hash('end by incomplete no start\udfff')).toBe(hash('end by incomplete no start\ufffd'));28 expect(hash('end by incomplete no end\ud800')).toBe(hash('end by incomplete no end\ufffd'));29 expect(hash('wrongly ordered\udfff\ud800pair')).toBe(hash('wrongly ordered\ufffd\ufffdpair'));30 });31});32// Helpers33const char0x80 = fc.nat(0x79).map((n) => String.fromCharCode(n));34const string0x80 = fc.stringOf(char0x80);35const char0x800 = fc.nat(0x799).map((n) => String.fromCharCode(n));36const string0x800 = fc.stringOf(char0x800);37const crc32Table = [38 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832,39 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,40 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 0x646ba8c0, 0xfd62f97a,41 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,42 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,43 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,44 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab,45 0xb6662d3d, 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,46 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, 0x6b6b51f4,47 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,48 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074,49 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,50 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525,51 0x206f85b3, 0xb966d409, 0xce61e49f, 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,52 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,53 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,54 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, 0xfed41b76,55 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,56 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6,57 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,58 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7,59 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,60 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7,61 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,62 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,63 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,64 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, 0xbdbdf21c, 0xcabac28a, 0x53b39330,65 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,66 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d,67];68function hashReference(repr: string): number {69 // Derived from 32-Bit CRC Algorithm70 // More at https://msdn.microsoft.com/en-us/library/dd905031.aspx71 const buf = Buffer.from(repr);72 let crc = 0xffffffff;73 for (let idx = 0; idx !== buf.length; ++idx) {74 crc = crc32Table[(crc & 0xff) ^ buf[idx]] ^ (crc >> 8);75 }76 return (crc | 0) + 0x80000000;...
Using AI Code Generation
1const { char0x800 } = require('fast-check');2const { char0x800 } = require('fast-check/lib/check/arbitrary/CharacterArbitrary');3const { char0x800 } = require('fast-check/lib/esm/check/arbitrary/CharacterArbitrary');4const { char0x800 } = require('fast-check/lib/cjs/check/arbitrary/CharacterArbitrary');5const { char0x800 } = require('fast-check/lib/umd/check/arbitrary/CharacterArbitrary');6const { char0x800 } = require('fast-check/lib/umd-esm/check/arbitrary/CharacterArbitrary');7const { char0x800 } = require('fast-check/lib/umd-cjs/check/arbitrary/CharacterArbitrary');8const { char0x800 } = require('fast-check/lib/umd-esm-cjs/check/arbitrary/CharacterArbitrary');9const { char0x800 } = require('fast-check/lib/esm/check/arbitrary/CharacterArbitrary');10const { char0x800 } = require('fast-check/lib/cjs/check/arbitrary/CharacterArbitrary');11const { char0x800 } = require('fast-check/lib/umd/check/arbitrary/CharacterArbitrary');12const { char0x800 } = require('fast-check/lib/umd-esm/check/arbitrary/CharacterArbitrary');13const { char0x800 } = require('fast-check/lib/umd-cjs/check/arbitrary/CharacterArbitrary');14const { char0x800 } = require('fast-check/lib/umd-esm-cjs/check/arbitrary/CharacterArbitrary');
Using AI Code Generation
1const char0x800 = require("fast-check-monorepo").char0x800;2const char0x800 = require("fast-check-monorepo").char0x800;3const char0x800 = require("fast-check-monorepo").char0x800;4const char0x800 = require("fast-check-monorepo").char0x800;5const char0x800 = require("fast-check-monorepo").char0x800;6const char0x800 = require("fast-check-monorepo").char0x800;7const char0x800 = require("fast-check-monorepo").char0x800;8const char0x800 = require("fast-check-monorepo").char0x800;9const char0x800 = require("fast-check-monorepo").char0x800;10const char0x800 = require("fast-check-monorepo").char0x800;11const char0x800 = require("fast-check-monorepo").char0x800;12const char0x800 = require("fast-check-monorepo").char0x800;13const char0x800 = require("fast-check-monorepo").char0x800;14const char0x800 = require("fast-check-monorepo").char0x800;15const char0x800 = require("
Using AI Code Generation
1const fc = require('fast-check');2const { char0x800 } = require('fast-check/lib/arbitrary/char0x800.js');3const { char } = require('fast-check/lib/arbitrary/char.js');4const arb = char0x800();5const arb2 = char();6fc.assert(fc.property(arb, c => c.length === 1));7fc.assert(fc.property(arb2, c => c.length === 1));8const fc = require('fast-check');9const { char0x800 } = require('fast-check/lib/arbitrary/char0x800.js');10const { char } = require('fast-check/lib/arbitrary/char.js');11const arb = char0x800();12const arb2 = char();13fc.assert(fc.property(arb, c => c.length === 1));14fc.assert(fc.property(arb2, c => c.length === 1));
Using AI Code Generation
1const { char0x800 } = require('fast-check');2const fc = require('fast-check');3const prop = fc.property(char0x800(), (c) => {4 return c.length === 1;5});6fc.assert(prop);7const { char0x800 } = require('fast-check');8const fc = require('fast-check');9const prop = fc.property(char0x800(), (c) => {10 return c.length === 1;11});12fc.assert(prop);13const { char0x800 } = require('fast-check');14const fc = require('fast-check');15const prop = fc.property(char0x800(), (c) => {16 return c.length === 1;17});18fc.assert(prop);19const { char0x800 } = require('fast-check');20const fc = require('fast-check');21const prop = fc.property(char0x800(), (c) => {22 return c.length === 1;23});24fc.assert(prop);25const { char0x800 } = require('fast-check');26const fc = require('fast-check');27const prop = fc.property(char0x800(), (c) => {28 return c.length === 1;29});30fc.assert(prop);31const { char0x800 } = require('fast-check');
Using AI Code Generation
1const fastCheck = require('fast-check');2const fc = fastCheck.default;3const {char0x800} = require('fast-check/lib/arbitrary/char0x800.js');4const {stringOf} = require('fast-check/lib/arbitrary/stringOf.js');5const {arrayOf} = require('fast-check/lib/arbitrary/arrayOf.js');6const {tuple} = require('fast-check/lib/arbitrary/tuple.js');7const {oneof} = require('fast-check/lib/arbitrary/oneof.js');8const {char0x800} = require('fast-check/lib/arbitrary/char0x800.js');9const {char0x800} = require('fast-check/lib/arbitrary/char0x800.js');10const {char0x800} = require('fast-check/lib/arbitrary/char0x800.js');11const {char0x800} = require('fast-check/lib/arbitrary/char0x800.js');12const {char0x800} = require('fast-check/lib/arbitrary/char0x800.js');13const {char0x800} = require('fast-check/lib/arbitrary/char0x800.js');14const {char0x800} = require('fast-check/lib/arbitrary/char0x800.js');15const {char0x800} = require('fast-check/lib/arbitrary/char0x800.js');16const {char0x800} = require('fast-check/lib/arbitrary/char0x800.js');17const {char0x800} = require('fast-check/lib/arbitrary/char0x800.js');
Using AI Code Generation
1const fc = require('fast-check/lib/fast-check-default');2const { char0x800 } = require('./char0x800.js');3fc.assert(4 fc.property(fc.char0x800(), char => {5 console.log(char);6 return true;7 })8);
Using AI Code Generation
1const { char0x800 } = require('fast-check');2const c = char0x800();3console.log(`Random char between 0x800 and 0xffff: ${c}`);4const c1 = char0x800();5console.log(`Random char between 0x800 and 0xffff: ${c1}`);6const c2 = char0x800();7console.log(`Random char between 0x800 and 0xffff: ${c2}`);8const c3 = char0x800();9console.log(`Random char between 0x800 and 0xffff: ${c3}`);10const c4 = char0x800();11console.log(`Random char between 0x800 and 0xffff: ${c4}`);12const c5 = char0x800();13console.log(`Random char between 0x800 and 0xffff: ${c5}`);14const c6 = char0x800();15console.log(`Random char between 0x800 and 0xffff: ${c6}`);16const c7 = char0x800();17console.log(`Random char between 0x800 and 0xffff: ${c7}`);18const c8 = char0x800();19console.log(`Random char between 0x800 and 0xffff: ${c8}`);20const c9 = char0x800();21console.log(`Random char between 0x800 and 0xffff: ${c9}`);22const c10 = char0x800();23console.log(`Random char between 0x800 and 0xffff: ${c10}`);
Using AI Code Generation
1const {check} = require('fast-check');2const {char0x800} = require('fast-check/lib/types/char0x800');3check(char0x800(), (c) => {4 return true;5});6const {check} = require('fast-check');7const {char0x800} = require('fast-check/lib/types/char0x800');8check(char0x800(), (c) => {9 return true;10});11const {check} = require('fast-check');12const {char0x800} = require('fast-check/lib/types/char0x800');13check(char0x800(), (c) => {14 return true;15});16const {check} = require('fast-check');17const {char0x800} = require('fast-check/lib/types/char0x800');18check(char0x800(), (c) => {19 return true;20});21const {check} = require('fast-check');22const {char0x800} = require('fast-check/lib/types/char0x800');23check(char0x800(), (c) => {24 return true;25});26const {check} = require('fast-check');27const {char0x800} = require('fast-check/lib/types/char0x800');28check(char0x800(), (c) => {29 return true;30});31const {check} = require('fast-check');32const {char0x800} = require('fast-check/lib/types/char0x800');33check(char0x800(), (c) => {34 return true;35});36const {check} = require('fast-check');37const {char0x800} = require('fast-check
Using AI Code Generation
1const { char0x800 } = require('char0x800')2const check = require('fast-check')3const prop = check.property(4 (c) => {5 const { codePoint, codeUnit } = c6 }7check.assert(prop)8const { char0x10000 } = require('char0x10000')9const check = require('fast-check')10const prop = check.property(11 (c) => {12 const { codePoint, codeUnit } = c13 }14check.assert(prop)15const { char0x200000 } = require('char0x200000')16const check = require('fast-check')17const prop = check.property(18 (c) => {19 const { codePoint, codeUnit } = c20 }21check.assert(prop)
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