59 lines
1.9 KiB
TypeScript
59 lines
1.9 KiB
TypeScript
import { expect } from 'chai'
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import { describe, it } from 'mocha'
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import { telegramRleDecode, telegramRleEncode } from '../src/utils'
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describe('telegramRleEncode', () => {
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it('should not modify input if there are no \\x00', () => {
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expect(
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telegramRleEncode(Buffer.from('aaeeff', 'hex')).toString('hex'),
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).eq('aaeeff')
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})
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it('should collapse consecutive \\x00', () => {
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expect(
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telegramRleEncode(Buffer.from('00000000aa', 'hex')).toString('hex'),
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).eq('0004aa')
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expect(
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telegramRleEncode(
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Buffer.from('00000000aa000000aa', 'hex'),
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).toString('hex'),
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).eq('0004aa0003aa')
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expect(
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telegramRleEncode(Buffer.from('00000000aa0000', 'hex')).toString(
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'hex',
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),
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).eq('0004aa0002')
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expect(
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telegramRleEncode(Buffer.from('00aa00', 'hex')).toString('hex'),
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).eq('0001aa0001')
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})
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})
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describe('telegramRleDecode', () => {
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it('should not mofify input if there are no \\x00', () => {
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expect(
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telegramRleDecode(Buffer.from('aaeeff', 'hex')).toString('hex'),
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).eq('aaeeff')
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})
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it('should expand two-byte sequences starting with \\x00', () => {
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expect(
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telegramRleDecode(Buffer.from('0004aa', 'hex')).toString('hex'),
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).eq('00000000aa')
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expect(
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telegramRleDecode(Buffer.from('0004aa0000', 'hex')).toString('hex'),
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).eq('00000000aa')
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expect(
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telegramRleDecode(Buffer.from('0004aa0003aa', 'hex')).toString(
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'hex',
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),
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).eq('00000000aa000000aa')
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expect(
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telegramRleDecode(Buffer.from('0004aa0002', 'hex')).toString('hex'),
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).eq('00000000aa0000')
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expect(
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telegramRleDecode(Buffer.from('0001aa0001', 'hex')).toString('hex'),
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).eq('00aa00')
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})
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})
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