64 lines
2.4 KiB
JavaScript
64 lines
2.4 KiB
JavaScript
import { test } from '../node_modules/cutest/cutest.js'
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import '../node_modules/chance/chance.js'
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import Y from '../src/y.js'
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import BinaryEncoder from '../src/Binary/Encoder.js'
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import BinaryDecoder from '../src/Binary/Decoder.js'
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import { generateUserID } from '../src/Util/generateUserID.js'
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function testEncoding (t, write, read, val) {
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let encoder = new BinaryEncoder()
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write(encoder, val)
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let reader = new BinaryDecoder(encoder.createBuffer())
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let result = read(reader)
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t.log(`string encode: ${JSON.stringify(val).length} bytes / binary encode: ${encoder.data.length} bytes`)
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t.compare(val, result, 'Compare results')
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}
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const writeVarUint = (encoder, val) => encoder.writeVarUint(val)
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const readVarUint = decoder => decoder.readVarUint()
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test('varUint 1 byte', async function varUint1 (t) {
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testEncoding(t, writeVarUint, readVarUint, 42)
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})
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test('varUint 2 bytes', async function varUint2 (t) {
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testEncoding(t, writeVarUint, readVarUint, 1 << 9 | 3)
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testEncoding(t, writeVarUint, readVarUint, 1 << 9 | 3)
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})
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test('varUint 3 bytes', async function varUint3 (t) {
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testEncoding(t, writeVarUint, readVarUint, 1 << 17 | 1 << 9 | 3)
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})
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test('varUint 4 bytes', async function varUint4 (t) {
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testEncoding(t, writeVarUint, readVarUint, 1 << 25 | 1 << 17 | 1 << 9 | 3)
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})
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test('varUint of 2839012934', async function varUint2839012934 (t) {
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testEncoding(t, writeVarUint, readVarUint, 2839012934)
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})
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test('varUint random', async function varUintRandom (t) {
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const chance = new Chance(t.getSeed() * Math.pow(Number.MAX_SAFE_INTEGER))
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testEncoding(t, writeVarUint, readVarUint, chance.integer({min: 0, max: (1 << 28) - 1}))
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})
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test('varUint random user id', async function varUintRandomUserId (t) {
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t.getSeed() // enforces that this test is repeated
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testEncoding(t, writeVarUint, readVarUint, generateUserID())
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})
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const writeVarString = (encoder, val) => encoder.writeVarString(val)
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const readVarString = decoder => decoder.readVarString()
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test('varString', async function varString (t) {
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testEncoding(t, writeVarString, readVarString, 'hello')
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testEncoding(t, writeVarString, readVarString, 'test!')
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testEncoding(t, writeVarString, readVarString, '☺☺☺')
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testEncoding(t, writeVarString, readVarString, '1234')
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})
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test('varString random', async function varStringRandom (t) {
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const chance = new Chance(t.getSeed() * 1000000000)
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testEncoding(t, writeVarString, readVarString, chance.string())
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})
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