Files
serialize-js/test/index.test.js
2025-08-05 20:08:01 +03:00

142 lines
4.0 KiB
JavaScript

import { describe, test, expect } from 'vitest'
import { expectDataViewEqual, filledDataView, sizedDataView } from '.'
import { parse, serialize, sizeof, sizeofHead } from '../src'
describe('serialize', () => {
test('Boolean', () => {
const expected = filledDataView([0x01])
let actual = sizedDataView(0)
expect(() => serialize(actual, true, Boolean)).toThrow()
actual = sizedDataView(1)
serialize(actual, true, Boolean)
expectDataViewEqual(actual, expected)
})
test('Number', () => {
const expected = filledDataView([0x40, 0x97, 0xF2, 0x80, 0x00, 0x00, 0x00, 0x00])
let dv = sizedDataView(7)
expect(() => serialize(dv, 0, Number)).toThrow()
dv = sizedDataView(sizeof(Number))
expect(8).toEqual(dv.byteLength)
serialize(dv, 1532.625, Number)
expectDataViewEqual(dv, expected)
})
test('String', () => {
const expected = filledDataView([
0x00, 0x00, 0x00, 0x05,
0x68, 0x65, 0x6C, 0x6C, 0x6F,
])
let dv = sizedDataView(8)
expect(() => serialize(dv, 'hello', String)).toThrow()
dv = sizedDataView(sizeof('hello'))
expect(9).toEqual(dv.byteLength)
serialize(dv, 'hello', String)
expectDataViewEqual(dv, expected)
})
test('Array, Number', () => {
const expected = filledDataView([
0x00, 0x00, 0x00, 0x02,
0x3F, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
])
let dv = sizedDataView(19)
expect(() => serialize(dv, [1, 2], Array, Number)).toThrow()
dv = sizedDataView(sizeof([1, 2]))
expect(20).toEqual(dv.byteLength)
serialize(dv, [1, 2], Array, Number)
expectDataViewEqual(dv, expected)
})
test('DataView', () => {
const expected = filledDataView([
0x00, 0x00, 0x00, 0x04,
0x00, 0x01, 0x02, 0x03,
])
const dv = filledDataView([
0x00, 0x01, 0x02, 0x03,
])
let actual = sizedDataView(7)
expect(() => serialize(actual, dv, DataView)).toThrow()
actual = sizedDataView(8)
serialize(actual, dv, DataView)
expectDataViewEqual(actual, expected)
})
})
describe('parse', () => {
test('Boolean', () => {
expect(parse(filledDataView([0x00]), Boolean)).toBeFalsy()
expect(parse(filledDataView([0x01]), Boolean)).toBeTruthy()
})
test('Number', () => {
const expected = 1532.625
const dv = filledDataView([0x40, 0x97, 0xF2, 0x80, 0x00, 0x00, 0x00, 0x00])
const actual = parse(dv, Number)
expect(actual).toEqual(expected)
})
test('String', () => {
const expected = 'hello'
const dv = filledDataView([
0x00, 0x00, 0x00, 0x05,
0x68, 0x65, 0x6C, 0x6C, 0x6F
])
const actual = parse(dv, String)
expect(actual).toEqual(expected)
})
test('Array, Number', () => {
const expected = [1, 2]
const dv = filledDataView([
0x00, 0x00, 0x00, 0x02,
0x3F, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
])
const actual = parse(dv, Array, Number)
expect(actual).toEqual(expected)
})
test('DataView', () => {
const expected = filledDataView([
0x00, 0x01, 0x02, 0x03,
])
const dv = filledDataView([
0x00, 0x00, 0x00, 0x04,
0x00, 0x01, 0x02, 0x03,
])
const actual = parse(dv, DataView)
expectDataViewEqual(actual, expected)
})
})
describe('sizeofHead', () => {
test('Number', () => {
expect(sizeofHead(Number)).toEqual(8)
expect(sizeofHead(1, Number)).toEqual(8)
})
test('String', () => {
expect(sizeofHead(String)).toEqual(4)
expect(sizeofHead('s', String)).toEqual(4)
})
test('Array', () => {
expect(sizeofHead(Array, Number)).toEqual(4)
expect(sizeofHead([1], Array, Number)).toEqual(4)
})
test('DataView', () => {
expect(sizeofHead(DataView)).toEqual(4)
expect(sizeofHead(filledDataView([0x01]), DataView)).toEqual(4)
})
})
describe('sizeof', () => {
test('unknown', () => {
expect(() => sizeof(String)).toThrow()
expect(() => sizeof(Array, Number)).toThrow()
expect(() => sizeof(DataView)).toThrow()
})
})