32 lines
1.6 KiB
TypeScript
32 lines
1.6 KiB
TypeScript
import { describe, expect, it } from 'vitest'
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import { hexDecodeToBuffer, hexEncode } from '@mtcute/core/utils.js'
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import { telegramRleDecode, telegramRleEncode } from './utils.js'
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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(hexEncode(telegramRleEncode(hexDecodeToBuffer('aaeeff')))).eq('aaeeff')
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})
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it('should collapse consecutive \\x00', () => {
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expect(hexEncode(telegramRleEncode(hexDecodeToBuffer('00000000aa')))).eq('0004aa')
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expect(hexEncode(telegramRleEncode(hexDecodeToBuffer('00000000aa000000aa')))).eq('0004aa0003aa')
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expect(hexEncode(telegramRleEncode(hexDecodeToBuffer('00000000aa0000')))).eq('0004aa0002')
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expect(hexEncode(telegramRleEncode(hexDecodeToBuffer('00aa00')))).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(hexEncode(telegramRleDecode(hexDecodeToBuffer('aaeeff')))).eq('aaeeff')
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})
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it('should expand two-byte sequences starting with \\x00', () => {
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expect(hexEncode(telegramRleDecode(hexDecodeToBuffer('0004aa')))).eq('00000000aa')
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expect(hexEncode(telegramRleDecode(hexDecodeToBuffer('0004aa0000')))).eq('00000000aa')
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expect(hexEncode(telegramRleDecode(hexDecodeToBuffer('0004aa0003aa')))).eq('00000000aa000000aa')
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expect(hexEncode(telegramRleDecode(hexDecodeToBuffer('0004aa0002')))).eq('00000000aa0000')
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expect(hexEncode(telegramRleDecode(hexDecodeToBuffer('0001aa0001')))).eq('00aa00')
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})
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})
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