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870 lines
21 KiB
870 lines
21 KiB
1 year ago
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'use strict'
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const tape = require('tape')
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const crypto = require('crypto')
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const fs = require('fs')
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const path = require('path')
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const BufferList = require('../')
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const { Buffer } = require('buffer')
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const encodings =
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('hex utf8 utf-8 ascii binary base64' +
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(process.browser ? '' : ' ucs2 ucs-2 utf16le utf-16le')).split(' ')
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require('./indexOf')
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require('./isBufferList')
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require('./convert')
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tape('single bytes from single buffer', function (t) {
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const bl = new BufferList()
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bl.append(Buffer.from('abcd'))
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t.equal(bl.length, 4)
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t.equal(bl.get(-1), undefined)
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t.equal(bl.get(0), 97)
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t.equal(bl.get(1), 98)
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t.equal(bl.get(2), 99)
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t.equal(bl.get(3), 100)
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t.equal(bl.get(4), undefined)
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t.end()
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})
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tape('single bytes from multiple buffers', function (t) {
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const bl = new BufferList()
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bl.append(Buffer.from('abcd'))
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bl.append(Buffer.from('efg'))
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bl.append(Buffer.from('hi'))
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bl.append(Buffer.from('j'))
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t.equal(bl.length, 10)
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t.equal(bl.get(0), 97)
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t.equal(bl.get(1), 98)
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t.equal(bl.get(2), 99)
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t.equal(bl.get(3), 100)
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t.equal(bl.get(4), 101)
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t.equal(bl.get(5), 102)
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t.equal(bl.get(6), 103)
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t.equal(bl.get(7), 104)
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t.equal(bl.get(8), 105)
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t.equal(bl.get(9), 106)
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t.end()
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})
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tape('multi bytes from single buffer', function (t) {
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const bl = new BufferList()
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bl.append(Buffer.from('abcd'))
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t.equal(bl.length, 4)
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t.equal(bl.slice(0, 4).toString('ascii'), 'abcd')
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t.equal(bl.slice(0, 3).toString('ascii'), 'abc')
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t.equal(bl.slice(1, 4).toString('ascii'), 'bcd')
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t.equal(bl.slice(-4, -1).toString('ascii'), 'abc')
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t.end()
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})
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tape('multi bytes from single buffer (negative indexes)', function (t) {
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const bl = new BufferList()
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bl.append(Buffer.from('buffer'))
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t.equal(bl.length, 6)
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t.equal(bl.slice(-6, -1).toString('ascii'), 'buffe')
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t.equal(bl.slice(-6, -2).toString('ascii'), 'buff')
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t.equal(bl.slice(-5, -2).toString('ascii'), 'uff')
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t.end()
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})
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tape('multiple bytes from multiple buffers', function (t) {
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const bl = new BufferList()
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bl.append(Buffer.from('abcd'))
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bl.append(Buffer.from('efg'))
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bl.append(Buffer.from('hi'))
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bl.append(Buffer.from('j'))
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t.equal(bl.length, 10)
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t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij')
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t.equal(bl.slice(3, 10).toString('ascii'), 'defghij')
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t.equal(bl.slice(3, 6).toString('ascii'), 'def')
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t.equal(bl.slice(3, 8).toString('ascii'), 'defgh')
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t.equal(bl.slice(5, 10).toString('ascii'), 'fghij')
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t.equal(bl.slice(-7, -4).toString('ascii'), 'def')
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t.end()
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})
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tape('multiple bytes from multiple buffer lists', function (t) {
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const bl = new BufferList()
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bl.append(new BufferList([Buffer.from('abcd'), Buffer.from('efg')]))
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bl.append(new BufferList([Buffer.from('hi'), Buffer.from('j')]))
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t.equal(bl.length, 10)
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t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij')
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t.equal(bl.slice(3, 10).toString('ascii'), 'defghij')
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t.equal(bl.slice(3, 6).toString('ascii'), 'def')
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t.equal(bl.slice(3, 8).toString('ascii'), 'defgh')
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t.equal(bl.slice(5, 10).toString('ascii'), 'fghij')
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t.end()
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})
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// same data as previous test, just using nested constructors
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tape('multiple bytes from crazy nested buffer lists', function (t) {
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const bl = new BufferList()
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bl.append(new BufferList([
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new BufferList([
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new BufferList(Buffer.from('abc')),
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Buffer.from('d'),
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new BufferList(Buffer.from('efg'))
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]),
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new BufferList([Buffer.from('hi')]),
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new BufferList(Buffer.from('j'))
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]))
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t.equal(bl.length, 10)
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t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij')
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t.equal(bl.slice(3, 10).toString('ascii'), 'defghij')
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t.equal(bl.slice(3, 6).toString('ascii'), 'def')
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t.equal(bl.slice(3, 8).toString('ascii'), 'defgh')
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t.equal(bl.slice(5, 10).toString('ascii'), 'fghij')
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t.end()
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})
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tape('append accepts arrays of Buffers', function (t) {
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const bl = new BufferList()
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bl.append(Buffer.from('abc'))
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bl.append([Buffer.from('def')])
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bl.append([Buffer.from('ghi'), Buffer.from('jkl')])
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bl.append([Buffer.from('mnop'), Buffer.from('qrstu'), Buffer.from('vwxyz')])
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t.equal(bl.length, 26)
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t.equal(bl.slice().toString('ascii'), 'abcdefghijklmnopqrstuvwxyz')
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t.end()
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})
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tape('append accepts arrays of Uint8Arrays', function (t) {
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const bl = new BufferList()
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bl.append(new Uint8Array([97, 98, 99]))
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bl.append([Uint8Array.from([100, 101, 102])])
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bl.append([new Uint8Array([103, 104, 105]), new Uint8Array([106, 107, 108])])
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bl.append([new Uint8Array([109, 110, 111, 112]), new Uint8Array([113, 114, 115, 116, 117]), new Uint8Array([118, 119, 120, 121, 122])])
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t.equal(bl.length, 26)
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t.equal(bl.slice().toString('ascii'), 'abcdefghijklmnopqrstuvwxyz')
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t.end()
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})
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tape('append accepts arrays of BufferLists', function (t) {
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const bl = new BufferList()
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bl.append(Buffer.from('abc'))
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bl.append([new BufferList('def')])
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bl.append(new BufferList([Buffer.from('ghi'), new BufferList('jkl')]))
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bl.append([Buffer.from('mnop'), new BufferList([Buffer.from('qrstu'), Buffer.from('vwxyz')])])
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t.equal(bl.length, 26)
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t.equal(bl.slice().toString('ascii'), 'abcdefghijklmnopqrstuvwxyz')
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t.end()
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})
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tape('append chainable', function (t) {
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const bl = new BufferList()
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t.ok(bl.append(Buffer.from('abcd')) === bl)
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t.ok(bl.append([Buffer.from('abcd')]) === bl)
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t.ok(bl.append(new BufferList(Buffer.from('abcd'))) === bl)
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t.ok(bl.append([new BufferList(Buffer.from('abcd'))]) === bl)
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t.end()
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})
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tape('append chainable (test results)', function (t) {
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const bl = new BufferList('abc')
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.append([new BufferList('def')])
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.append(new BufferList([Buffer.from('ghi'), new BufferList('jkl')]))
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.append([Buffer.from('mnop'), new BufferList([Buffer.from('qrstu'), Buffer.from('vwxyz')])])
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t.equal(bl.length, 26)
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t.equal(bl.slice().toString('ascii'), 'abcdefghijklmnopqrstuvwxyz')
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t.end()
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})
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tape('consuming from multiple buffers', function (t) {
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const bl = new BufferList()
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bl.append(Buffer.from('abcd'))
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bl.append(Buffer.from('efg'))
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bl.append(Buffer.from('hi'))
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bl.append(Buffer.from('j'))
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t.equal(bl.length, 10)
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t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij')
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bl.consume(3)
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t.equal(bl.length, 7)
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t.equal(bl.slice(0, 7).toString('ascii'), 'defghij')
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bl.consume(2)
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t.equal(bl.length, 5)
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t.equal(bl.slice(0, 5).toString('ascii'), 'fghij')
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bl.consume(1)
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t.equal(bl.length, 4)
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t.equal(bl.slice(0, 4).toString('ascii'), 'ghij')
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bl.consume(1)
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t.equal(bl.length, 3)
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t.equal(bl.slice(0, 3).toString('ascii'), 'hij')
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bl.consume(2)
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t.equal(bl.length, 1)
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t.equal(bl.slice(0, 1).toString('ascii'), 'j')
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t.end()
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})
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tape('complete consumption', function (t) {
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const bl = new BufferList()
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bl.append(Buffer.from('a'))
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bl.append(Buffer.from('b'))
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bl.consume(2)
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t.equal(bl.length, 0)
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t.equal(bl._bufs.length, 0)
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t.end()
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})
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tape('test readUInt8 / readInt8', function (t) {
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const buf1 = Buffer.alloc(1)
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const buf2 = Buffer.alloc(3)
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const buf3 = Buffer.alloc(3)
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const bl = new BufferList()
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buf1[0] = 0x1
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buf2[1] = 0x3
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buf2[2] = 0x4
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buf3[0] = 0x23
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buf3[1] = 0x42
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bl.append(buf1)
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bl.append(buf2)
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bl.append(buf3)
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t.equal(bl.readUInt8(), 0x1)
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t.equal(bl.readUInt8(2), 0x3)
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t.equal(bl.readInt8(2), 0x3)
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t.equal(bl.readUInt8(3), 0x4)
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t.equal(bl.readInt8(3), 0x4)
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t.equal(bl.readUInt8(4), 0x23)
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t.equal(bl.readInt8(4), 0x23)
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t.equal(bl.readUInt8(5), 0x42)
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t.equal(bl.readInt8(5), 0x42)
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t.end()
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})
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tape('test readUInt16LE / readUInt16BE / readInt16LE / readInt16BE', function (t) {
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const buf1 = Buffer.alloc(1)
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const buf2 = Buffer.alloc(3)
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const buf3 = Buffer.alloc(3)
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const bl = new BufferList()
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buf1[0] = 0x1
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buf2[1] = 0x3
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buf2[2] = 0x4
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buf3[0] = 0x23
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buf3[1] = 0x42
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bl.append(buf1)
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bl.append(buf2)
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bl.append(buf3)
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t.equal(bl.readUInt16BE(), 0x0100)
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t.equal(bl.readUInt16LE(), 0x0001)
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t.equal(bl.readUInt16BE(2), 0x0304)
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t.equal(bl.readUInt16LE(2), 0x0403)
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t.equal(bl.readInt16BE(2), 0x0304)
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t.equal(bl.readInt16LE(2), 0x0403)
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t.equal(bl.readUInt16BE(3), 0x0423)
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t.equal(bl.readUInt16LE(3), 0x2304)
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t.equal(bl.readInt16BE(3), 0x0423)
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t.equal(bl.readInt16LE(3), 0x2304)
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t.equal(bl.readUInt16BE(4), 0x2342)
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t.equal(bl.readUInt16LE(4), 0x4223)
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t.equal(bl.readInt16BE(4), 0x2342)
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t.equal(bl.readInt16LE(4), 0x4223)
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t.end()
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})
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tape('test readUInt32LE / readUInt32BE / readInt32LE / readInt32BE', function (t) {
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const buf1 = Buffer.alloc(1)
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const buf2 = Buffer.alloc(3)
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const buf3 = Buffer.alloc(3)
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const bl = new BufferList()
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buf1[0] = 0x1
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buf2[1] = 0x3
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buf2[2] = 0x4
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buf3[0] = 0x23
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buf3[1] = 0x42
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bl.append(buf1)
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bl.append(buf2)
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bl.append(buf3)
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t.equal(bl.readUInt32BE(), 0x01000304)
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t.equal(bl.readUInt32LE(), 0x04030001)
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t.equal(bl.readUInt32BE(2), 0x03042342)
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t.equal(bl.readUInt32LE(2), 0x42230403)
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t.equal(bl.readInt32BE(2), 0x03042342)
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t.equal(bl.readInt32LE(2), 0x42230403)
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t.end()
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})
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tape('test readUIntLE / readUIntBE / readIntLE / readIntBE', function (t) {
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const buf1 = Buffer.alloc(1)
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const buf2 = Buffer.alloc(3)
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const buf3 = Buffer.alloc(3)
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const bl = new BufferList()
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buf2[0] = 0x2
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|
|
buf2[1] = 0x3
|
||
|
|
buf2[2] = 0x4
|
||
|
|
buf3[0] = 0x23
|
||
|
|
buf3[1] = 0x42
|
||
|
|
buf3[2] = 0x61
|
||
|
|
|
||
|
|
bl.append(buf1)
|
||
|
|
bl.append(buf2)
|
||
|
|
bl.append(buf3)
|
||
|
|
|
||
|
|
t.equal(bl.readUIntBE(1, 1), 0x02)
|
||
|
|
t.equal(bl.readUIntBE(1, 2), 0x0203)
|
||
|
|
t.equal(bl.readUIntBE(1, 3), 0x020304)
|
||
|
|
t.equal(bl.readUIntBE(1, 4), 0x02030423)
|
||
|
|
t.equal(bl.readUIntBE(1, 5), 0x0203042342)
|
||
|
|
t.equal(bl.readUIntBE(1, 6), 0x020304234261)
|
||
|
|
t.equal(bl.readUIntLE(1, 1), 0x02)
|
||
|
|
t.equal(bl.readUIntLE(1, 2), 0x0302)
|
||
|
|
t.equal(bl.readUIntLE(1, 3), 0x040302)
|
||
|
|
t.equal(bl.readUIntLE(1, 4), 0x23040302)
|
||
|
|
t.equal(bl.readUIntLE(1, 5), 0x4223040302)
|
||
|
|
t.equal(bl.readUIntLE(1, 6), 0x614223040302)
|
||
|
|
t.equal(bl.readIntBE(1, 1), 0x02)
|
||
|
|
t.equal(bl.readIntBE(1, 2), 0x0203)
|
||
|
|
t.equal(bl.readIntBE(1, 3), 0x020304)
|
||
|
|
t.equal(bl.readIntBE(1, 4), 0x02030423)
|
||
|
|
t.equal(bl.readIntBE(1, 5), 0x0203042342)
|
||
|
|
t.equal(bl.readIntBE(1, 6), 0x020304234261)
|
||
|
|
t.equal(bl.readIntLE(1, 1), 0x02)
|
||
|
|
t.equal(bl.readIntLE(1, 2), 0x0302)
|
||
|
|
t.equal(bl.readIntLE(1, 3), 0x040302)
|
||
|
|
t.equal(bl.readIntLE(1, 4), 0x23040302)
|
||
|
|
t.equal(bl.readIntLE(1, 5), 0x4223040302)
|
||
|
|
t.equal(bl.readIntLE(1, 6), 0x614223040302)
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('test readFloatLE / readFloatBE', function (t) {
|
||
|
|
const buf1 = Buffer.alloc(1)
|
||
|
|
const buf2 = Buffer.alloc(3)
|
||
|
|
const buf3 = Buffer.alloc(3)
|
||
|
|
const bl = new BufferList()
|
||
|
|
|
||
|
|
buf1[0] = 0x01
|
||
|
|
buf2[1] = 0x00
|
||
|
|
buf2[2] = 0x00
|
||
|
|
buf3[0] = 0x80
|
||
|
|
buf3[1] = 0x3f
|
||
|
|
|
||
|
|
bl.append(buf1)
|
||
|
|
bl.append(buf2)
|
||
|
|
bl.append(buf3)
|
||
|
|
|
||
|
|
const canonical = Buffer.concat([buf1, buf2, buf3])
|
||
|
|
t.equal(bl.readFloatLE(), canonical.readFloatLE())
|
||
|
|
t.equal(bl.readFloatBE(), canonical.readFloatBE())
|
||
|
|
t.equal(bl.readFloatLE(2), canonical.readFloatLE(2))
|
||
|
|
t.equal(bl.readFloatBE(2), canonical.readFloatBE(2))
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('test readDoubleLE / readDoubleBE', function (t) {
|
||
|
|
const buf1 = Buffer.alloc(1)
|
||
|
|
const buf2 = Buffer.alloc(3)
|
||
|
|
const buf3 = Buffer.alloc(10)
|
||
|
|
const bl = new BufferList()
|
||
|
|
|
||
|
|
buf1[0] = 0x01
|
||
|
|
buf2[1] = 0x55
|
||
|
|
buf2[2] = 0x55
|
||
|
|
buf3[0] = 0x55
|
||
|
|
buf3[1] = 0x55
|
||
|
|
buf3[2] = 0x55
|
||
|
|
buf3[3] = 0x55
|
||
|
|
buf3[4] = 0xd5
|
||
|
|
buf3[5] = 0x3f
|
||
|
|
|
||
|
|
bl.append(buf1)
|
||
|
|
bl.append(buf2)
|
||
|
|
bl.append(buf3)
|
||
|
|
|
||
|
|
const canonical = Buffer.concat([buf1, buf2, buf3])
|
||
|
|
t.equal(bl.readDoubleBE(), canonical.readDoubleBE())
|
||
|
|
t.equal(bl.readDoubleLE(), canonical.readDoubleLE())
|
||
|
|
t.equal(bl.readDoubleBE(2), canonical.readDoubleBE(2))
|
||
|
|
t.equal(bl.readDoubleLE(2), canonical.readDoubleLE(2))
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('test toString', function (t) {
|
||
|
|
const bl = new BufferList()
|
||
|
|
|
||
|
|
bl.append(Buffer.from('abcd'))
|
||
|
|
bl.append(Buffer.from('efg'))
|
||
|
|
bl.append(Buffer.from('hi'))
|
||
|
|
bl.append(Buffer.from('j'))
|
||
|
|
|
||
|
|
t.equal(bl.toString('ascii', 0, 10), 'abcdefghij')
|
||
|
|
t.equal(bl.toString('ascii', 3, 10), 'defghij')
|
||
|
|
t.equal(bl.toString('ascii', 3, 6), 'def')
|
||
|
|
t.equal(bl.toString('ascii', 3, 8), 'defgh')
|
||
|
|
t.equal(bl.toString('ascii', 5, 10), 'fghij')
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('test toString encoding', function (t) {
|
||
|
|
const bl = new BufferList()
|
||
|
|
const b = Buffer.from('abcdefghij\xff\x00')
|
||
|
|
|
||
|
|
bl.append(Buffer.from('abcd'))
|
||
|
|
bl.append(Buffer.from('efg'))
|
||
|
|
bl.append(Buffer.from('hi'))
|
||
|
|
bl.append(Buffer.from('j'))
|
||
|
|
bl.append(Buffer.from('\xff\x00'))
|
||
|
|
|
||
|
|
encodings.forEach(function (enc) {
|
||
|
|
t.equal(bl.toString(enc), b.toString(enc), enc)
|
||
|
|
})
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('uninitialized memory', function (t) {
|
||
|
|
const secret = crypto.randomBytes(256)
|
||
|
|
for (let i = 0; i < 1e6; i++) {
|
||
|
|
const clone = Buffer.from(secret)
|
||
|
|
const bl = new BufferList()
|
||
|
|
bl.append(Buffer.from('a'))
|
||
|
|
bl.consume(-1024)
|
||
|
|
const buf = bl.slice(1)
|
||
|
|
if (buf.indexOf(clone) !== -1) {
|
||
|
|
t.fail(`Match (at ${i})`)
|
||
|
|
break
|
||
|
|
}
|
||
|
|
}
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
!process.browser && tape('test stream', function (t) {
|
||
|
|
const random = crypto.randomBytes(65534)
|
||
|
|
|
||
|
|
const bl = new BufferList((err, buf) => {
|
||
|
|
t.ok(Buffer.isBuffer(buf))
|
||
|
|
t.ok(err === null)
|
||
|
|
t.ok(random.equals(bl.slice()))
|
||
|
|
t.ok(random.equals(buf.slice()))
|
||
|
|
|
||
|
|
bl.pipe(fs.createWriteStream('/tmp/bl_test_rnd_out.dat'))
|
||
|
|
.on('close', function () {
|
||
|
|
const rndhash = crypto.createHash('md5').update(random).digest('hex')
|
||
|
|
const md5sum = crypto.createHash('md5')
|
||
|
|
const s = fs.createReadStream('/tmp/bl_test_rnd_out.dat')
|
||
|
|
|
||
|
|
s.on('data', md5sum.update.bind(md5sum))
|
||
|
|
s.on('end', function () {
|
||
|
|
t.equal(rndhash, md5sum.digest('hex'), 'woohoo! correct hash!')
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
})
|
||
|
|
})
|
||
|
|
|
||
|
|
fs.writeFileSync('/tmp/bl_test_rnd.dat', random)
|
||
|
|
fs.createReadStream('/tmp/bl_test_rnd.dat').pipe(bl)
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('instantiation with Buffer', function (t) {
|
||
|
|
const buf = crypto.randomBytes(1024)
|
||
|
|
const buf2 = crypto.randomBytes(1024)
|
||
|
|
let b = BufferList(buf)
|
||
|
|
|
||
|
|
t.equal(buf.toString('hex'), b.slice().toString('hex'), 'same buffer')
|
||
|
|
b = BufferList([buf, buf2])
|
||
|
|
t.equal(b.slice().toString('hex'), Buffer.concat([buf, buf2]).toString('hex'), 'same buffer')
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('test String appendage', function (t) {
|
||
|
|
const bl = new BufferList()
|
||
|
|
const b = Buffer.from('abcdefghij\xff\x00')
|
||
|
|
|
||
|
|
bl.append('abcd')
|
||
|
|
bl.append('efg')
|
||
|
|
bl.append('hi')
|
||
|
|
bl.append('j')
|
||
|
|
bl.append('\xff\x00')
|
||
|
|
|
||
|
|
encodings.forEach(function (enc) {
|
||
|
|
t.equal(bl.toString(enc), b.toString(enc))
|
||
|
|
})
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('test Number appendage', function (t) {
|
||
|
|
const bl = new BufferList()
|
||
|
|
const b = Buffer.from('1234567890')
|
||
|
|
|
||
|
|
bl.append(1234)
|
||
|
|
bl.append(567)
|
||
|
|
bl.append(89)
|
||
|
|
bl.append(0)
|
||
|
|
|
||
|
|
encodings.forEach(function (enc) {
|
||
|
|
t.equal(bl.toString(enc), b.toString(enc))
|
||
|
|
})
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('write nothing, should get empty buffer', function (t) {
|
||
|
|
t.plan(3)
|
||
|
|
BufferList(function (err, data) {
|
||
|
|
t.notOk(err, 'no error')
|
||
|
|
t.ok(Buffer.isBuffer(data), 'got a buffer')
|
||
|
|
t.equal(0, data.length, 'got a zero-length buffer')
|
||
|
|
t.end()
|
||
|
|
}).end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('unicode string', function (t) {
|
||
|
|
t.plan(2)
|
||
|
|
|
||
|
|
const inp1 = '\u2600'
|
||
|
|
const inp2 = '\u2603'
|
||
|
|
const exp = inp1 + ' and ' + inp2
|
||
|
|
const bl = BufferList()
|
||
|
|
|
||
|
|
bl.write(inp1)
|
||
|
|
bl.write(' and ')
|
||
|
|
bl.write(inp2)
|
||
|
|
t.equal(exp, bl.toString())
|
||
|
|
t.equal(Buffer.from(exp).toString('hex'), bl.toString('hex'))
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('should emit finish', function (t) {
|
||
|
|
const source = BufferList()
|
||
|
|
const dest = BufferList()
|
||
|
|
|
||
|
|
source.write('hello')
|
||
|
|
source.pipe(dest)
|
||
|
|
|
||
|
|
dest.on('finish', function () {
|
||
|
|
t.equal(dest.toString('utf8'), 'hello')
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('basic copy', function (t) {
|
||
|
|
const buf = crypto.randomBytes(1024)
|
||
|
|
const buf2 = Buffer.alloc(1024)
|
||
|
|
const b = BufferList(buf)
|
||
|
|
|
||
|
|
b.copy(buf2)
|
||
|
|
t.equal(b.slice().toString('hex'), buf2.toString('hex'), 'same buffer')
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('copy after many appends', function (t) {
|
||
|
|
const buf = crypto.randomBytes(512)
|
||
|
|
const buf2 = Buffer.alloc(1024)
|
||
|
|
const b = BufferList(buf)
|
||
|
|
|
||
|
|
b.append(buf)
|
||
|
|
b.copy(buf2)
|
||
|
|
t.equal(b.slice().toString('hex'), buf2.toString('hex'), 'same buffer')
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('copy at a precise position', function (t) {
|
||
|
|
const buf = crypto.randomBytes(1004)
|
||
|
|
const buf2 = Buffer.alloc(1024)
|
||
|
|
const b = BufferList(buf)
|
||
|
|
|
||
|
|
b.copy(buf2, 20)
|
||
|
|
t.equal(b.slice().toString('hex'), buf2.slice(20).toString('hex'), 'same buffer')
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('copy starting from a precise location', function (t) {
|
||
|
|
const buf = crypto.randomBytes(10)
|
||
|
|
const buf2 = Buffer.alloc(5)
|
||
|
|
const b = BufferList(buf)
|
||
|
|
|
||
|
|
b.copy(buf2, 0, 5)
|
||
|
|
t.equal(b.slice(5).toString('hex'), buf2.toString('hex'), 'same buffer')
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('copy in an interval', function (t) {
|
||
|
|
const rnd = crypto.randomBytes(10)
|
||
|
|
const b = BufferList(rnd) // put the random bytes there
|
||
|
|
const actual = Buffer.alloc(3)
|
||
|
|
const expected = Buffer.alloc(3)
|
||
|
|
|
||
|
|
rnd.copy(expected, 0, 5, 8)
|
||
|
|
b.copy(actual, 0, 5, 8)
|
||
|
|
|
||
|
|
t.equal(actual.toString('hex'), expected.toString('hex'), 'same buffer')
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('copy an interval between two buffers', function (t) {
|
||
|
|
const buf = crypto.randomBytes(10)
|
||
|
|
const buf2 = Buffer.alloc(10)
|
||
|
|
const b = BufferList(buf)
|
||
|
|
|
||
|
|
b.append(buf)
|
||
|
|
b.copy(buf2, 0, 5, 15)
|
||
|
|
|
||
|
|
t.equal(b.slice(5, 15).toString('hex'), buf2.toString('hex'), 'same buffer')
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('shallow slice across buffer boundaries', function (t) {
|
||
|
|
const bl = new BufferList(['First', 'Second', 'Third'])
|
||
|
|
|
||
|
|
t.equal(bl.shallowSlice(3, 13).toString(), 'stSecondTh')
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('shallow slice within single buffer', function (t) {
|
||
|
|
t.plan(2)
|
||
|
|
|
||
|
|
const bl = new BufferList(['First', 'Second', 'Third'])
|
||
|
|
|
||
|
|
t.equal(bl.shallowSlice(5, 10).toString(), 'Secon')
|
||
|
|
t.equal(bl.shallowSlice(7, 10).toString(), 'con')
|
||
|
|
|
||
|
|
t.end()
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('shallow slice single buffer', function (t) {
|
||
|
|
t.plan(3)
|
||
|
|
|
||
|
|
const bl = new BufferList(['First', 'Second', 'Third'])
|
||
|
|
|
||
|
|
t.equal(bl.shallowSlice(0, 5).toString(), 'First')
|
||
|
|
t.equal(bl.shallowSlice(5, 11).toString(), 'Second')
|
||
|
|
t.equal(bl.shallowSlice(11, 16).toString(), 'Third')
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('shallow slice with negative or omitted indices', function (t) {
|
||
|
|
t.plan(4)
|
||
|
|
|
||
|
|
const bl = new BufferList(['First', 'Second', 'Third'])
|
||
|
|
|
||
|
|
t.equal(bl.shallowSlice().toString(), 'FirstSecondThird')
|
||
|
|
t.equal(bl.shallowSlice(5).toString(), 'SecondThird')
|
||
|
|
t.equal(bl.shallowSlice(5, -3).toString(), 'SecondTh')
|
||
|
|
t.equal(bl.shallowSlice(-8).toString(), 'ondThird')
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('shallow slice does not make a copy', function (t) {
|
||
|
|
t.plan(1)
|
||
|
|
|
||
|
|
const buffers = [Buffer.from('First'), Buffer.from('Second'), Buffer.from('Third')]
|
||
|
|
const bl = (new BufferList(buffers)).shallowSlice(5, -3)
|
||
|
|
|
||
|
|
buffers[1].fill('h')
|
||
|
|
buffers[2].fill('h')
|
||
|
|
|
||
|
|
t.equal(bl.toString(), 'hhhhhhhh')
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('shallow slice with 0 length', function (t) {
|
||
|
|
t.plan(1)
|
||
|
|
|
||
|
|
const buffers = [Buffer.from('First'), Buffer.from('Second'), Buffer.from('Third')]
|
||
|
|
const bl = (new BufferList(buffers)).shallowSlice(0, 0)
|
||
|
|
|
||
|
|
t.equal(bl.length, 0)
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('shallow slice with 0 length from middle', function (t) {
|
||
|
|
t.plan(1)
|
||
|
|
|
||
|
|
const buffers = [Buffer.from('First'), Buffer.from('Second'), Buffer.from('Third')]
|
||
|
|
const bl = (new BufferList(buffers)).shallowSlice(10, 10)
|
||
|
|
|
||
|
|
t.equal(bl.length, 0)
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('duplicate', function (t) {
|
||
|
|
t.plan(2)
|
||
|
|
|
||
|
|
const bl = new BufferList('abcdefghij\xff\x00')
|
||
|
|
const dup = bl.duplicate()
|
||
|
|
|
||
|
|
t.equal(bl.prototype, dup.prototype)
|
||
|
|
t.equal(bl.toString('hex'), dup.toString('hex'))
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('destroy no pipe', function (t) {
|
||
|
|
t.plan(2)
|
||
|
|
|
||
|
|
const bl = new BufferList('alsdkfja;lsdkfja;lsdk')
|
||
|
|
|
||
|
|
bl.destroy()
|
||
|
|
|
||
|
|
t.equal(bl._bufs.length, 0)
|
||
|
|
t.equal(bl.length, 0)
|
||
|
|
})
|
||
|
|
|
||
|
|
tape('destroy with error', function (t) {
|
||
|
|
t.plan(3)
|
||
|
|
|
||
|
|
const bl = new BufferList('alsdkfja;lsdkfja;lsdk')
|
||
|
|
const err = new Error('kaboom')
|
||
|
|
|
||
|
|
bl.destroy(err)
|
||
|
|
bl.on('error', function (_err) {
|
||
|
|
t.equal(_err, err)
|
||
|
|
})
|
||
|
|
|
||
|
|
t.equal(bl._bufs.length, 0)
|
||
|
|
t.equal(bl.length, 0)
|
||
|
|
})
|
||
|
|
|
||
|
|
!process.browser && tape('destroy with pipe before read end', function (t) {
|
||
|
|
t.plan(2)
|
||
|
|
|
||
|
|
const bl = new BufferList()
|
||
|
|
fs.createReadStream(path.join(__dirname, '/test.js'))
|
||
|
|
.pipe(bl)
|
||
|
|
|
||
|
|
bl.destroy()
|
||
|
|
|
||
|
|
t.equal(bl._bufs.length, 0)
|
||
|
|
t.equal(bl.length, 0)
|
||
|
|
})
|
||
|
|
|
||
|
|
!process.browser && tape('destroy with pipe before read end with race', function (t) {
|
||
|
|
t.plan(2)
|
||
|
|
|
||
|
|
const bl = new BufferList()
|
||
|
|
|
||
|
|
fs.createReadStream(path.join(__dirname, '/test.js'))
|
||
|
|
.pipe(bl)
|
||
|
|
|
||
|
|
setTimeout(function () {
|
||
|
|
bl.destroy()
|
||
|
|
setTimeout(function () {
|
||
|
|
t.equal(bl._bufs.length, 0)
|
||
|
|
t.equal(bl.length, 0)
|
||
|
|
}, 500)
|
||
|
|
}, 500)
|
||
|
|
})
|
||
|
|
|
||
|
|
!process.browser && tape('destroy with pipe after read end', function (t) {
|
||
|
|
t.plan(2)
|
||
|
|
|
||
|
|
const bl = new BufferList()
|
||
|
|
|
||
|
|
fs.createReadStream(path.join(__dirname, '/test.js'))
|
||
|
|
.on('end', onEnd)
|
||
|
|
.pipe(bl)
|
||
|
|
|
||
|
|
function onEnd () {
|
||
|
|
bl.destroy()
|
||
|
|
|
||
|
|
t.equal(bl._bufs.length, 0)
|
||
|
|
t.equal(bl.length, 0)
|
||
|
|
}
|
||
|
|
})
|
||
|
|
|
||
|
|
!process.browser && tape('destroy with pipe while writing to a destination', function (t) {
|
||
|
|
t.plan(4)
|
||
|
|
|
||
|
|
const bl = new BufferList()
|
||
|
|
const ds = new BufferList()
|
||
|
|
|
||
|
|
fs.createReadStream(path.join(__dirname, '/test.js'))
|
||
|
|
.on('end', onEnd)
|
||
|
|
.pipe(bl)
|
||
|
|
|
||
|
|
function onEnd () {
|
||
|
|
bl.pipe(ds)
|
||
|
|
|
||
|
|
setTimeout(function () {
|
||
|
|
bl.destroy()
|
||
|
|
|
||
|
|
t.equals(bl._bufs.length, 0)
|
||
|
|
t.equals(bl.length, 0)
|
||
|
|
|
||
|
|
ds.destroy()
|
||
|
|
|
||
|
|
t.equals(bl._bufs.length, 0)
|
||
|
|
t.equals(bl.length, 0)
|
||
|
|
}, 100)
|
||
|
|
}
|
||
|
|
})
|
||
|
|
|
||
|
|
!process.browser && tape('handle error', function (t) {
|
||
|
|
t.plan(2)
|
||
|
|
|
||
|
|
fs.createReadStream('/does/not/exist').pipe(BufferList(function (err, data) {
|
||
|
|
t.ok(err instanceof Error, 'has error')
|
||
|
|
t.notOk(data, 'no data')
|
||
|
|
}))
|
||
|
|
})
|