53 lines
1.5 KiB
JavaScript
53 lines
1.5 KiB
JavaScript
'use strict'
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const tap = require('tap')
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const readHexString = require('./read-hex-string')
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tap.test('throws for invalid hex pair', async t => {
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let input = Buffer.from('1z2f')
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t.throws(
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() => readHexString({ searchBuffer: input, startPos: 0 }),
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'invalid hex pair encountered: 0x1z'
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)
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input = Buffer.from('a0b1g692')
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t.throws(
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() => readHexString({ searchBuffer: input, startPos: 0 }),
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'invalid hex pair encountered: 0xg6'
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)
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})
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tap.test('handles incorrect length string', async t => {
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const input = Buffer.from('a1b')
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t.throws(
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() => readHexString({ searchBuffer: input, startPos: 0 }),
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'invalid hex pair encountered: 0xb'
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)
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})
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tap.test('reads hex string', async t => {
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let input = Buffer.from('0403666f6f')
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let result = readHexString({ searchBuffer: input, startPos: 0 })
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t.equal(result.endPos, 10)
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t.equal(result.berReader.readString(), 'foo')
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input = Buffer.from('uid=#0409746573742E75736572')
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result = readHexString({ searchBuffer: input, startPos: 5 })
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t.equal(result.endPos, input.byteLength)
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t.equal(result.berReader.readString(), 'test.user')
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})
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tap.test('stops on end chars', async t => {
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const inputs = [
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Buffer.from('0403666f6f foo'),
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Buffer.from('0403666f6f+foo'),
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Buffer.from('0403666f6f,foo'),
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Buffer.from('0403666f6f;foo')
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]
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for (const input of inputs) {
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const result = readHexString({ searchBuffer: input, startPos: 0 })
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t.equal(result.endPos, 10)
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t.equal(result.berReader.readString(), 'foo')
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}
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})
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