702 lines
17 KiB
JavaScript
702 lines
17 KiB
JavaScript
var tape = require('tape')
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, crypto = require('crypto')
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, fs = require('fs')
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, hash = require('hash_file')
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, BufferList = require('../')
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, 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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tape('single bytes from single buffer', function (t) {
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var bl = new BufferList()
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bl.append(new Buffer('abcd'))
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t.equal(bl.length, 4)
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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.end()
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})
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tape('single bytes from multiple buffers', function (t) {
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var bl = new BufferList()
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bl.append(new Buffer('abcd'))
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bl.append(new Buffer('efg'))
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bl.append(new Buffer('hi'))
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bl.append(new Buffer('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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var bl = new BufferList()
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bl.append(new Buffer('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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var bl = new BufferList()
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bl.append(new Buffer('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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var bl = new BufferList()
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bl.append(new Buffer('abcd'))
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bl.append(new Buffer('efg'))
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bl.append(new Buffer('hi'))
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bl.append(new Buffer('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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var bl = new BufferList()
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bl.append(new BufferList([ new Buffer('abcd'), new Buffer('efg') ]))
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bl.append(new BufferList([ new Buffer('hi'), new Buffer('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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var bl = new BufferList()
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bl.append(new BufferList([
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new BufferList([
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new BufferList(new Buffer('abc'))
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, new Buffer('d')
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, new BufferList(new Buffer('efg'))
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])
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, new BufferList([ new Buffer('hi') ])
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, new BufferList(new Buffer('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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var bl = new BufferList()
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bl.append(new Buffer('abc'))
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bl.append([ new Buffer('def') ])
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bl.append([ new Buffer('ghi'), new Buffer('jkl') ])
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bl.append([ new Buffer('mnop'), new Buffer('qrstu'), new Buffer('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 BufferLists', function (t) {
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var bl = new BufferList()
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bl.append(new Buffer('abc'))
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bl.append([ new BufferList('def') ])
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bl.append(new BufferList([ new Buffer('ghi'), new BufferList('jkl') ]))
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bl.append([ new Buffer('mnop'), new BufferList([ new Buffer('qrstu'), new Buffer('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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var bl = new BufferList()
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t.ok(bl.append(new Buffer('abcd')) === bl)
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t.ok(bl.append([ new Buffer('abcd') ]) === bl)
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t.ok(bl.append(new BufferList(new Buffer('abcd'))) === bl)
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t.ok(bl.append([ new BufferList(new Buffer('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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var bl = new BufferList('abc')
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.append([ new BufferList('def') ])
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.append(new BufferList([ new Buffer('ghi'), new BufferList('jkl') ]))
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.append([ new Buffer('mnop'), new BufferList([ new Buffer('qrstu'), new Buffer('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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var bl = new BufferList()
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bl.append(new Buffer('abcd'))
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bl.append(new Buffer('efg'))
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bl.append(new Buffer('hi'))
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bl.append(new Buffer('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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var bl = new BufferList()
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bl.append(new Buffer('a'))
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bl.append(new Buffer('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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var buf1 = new Buffer(1)
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, buf2 = new Buffer(3)
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, buf3 = new Buffer(3)
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, bl = new BufferList()
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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(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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var buf1 = new Buffer(1)
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, buf2 = new Buffer(3)
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, buf3 = new Buffer(3)
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, bl = new BufferList()
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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(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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var buf1 = new Buffer(1)
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, buf2 = new Buffer(3)
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, buf3 = new Buffer(3)
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, bl = new BufferList()
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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(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 readFloatLE / readFloatBE', function (t) {
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var buf1 = new Buffer(1)
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, buf2 = new Buffer(3)
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, buf3 = new Buffer(3)
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, bl = new BufferList()
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buf2[1] = 0x00
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buf2[2] = 0x00
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buf3[0] = 0x80
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buf3[1] = 0x3f
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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.readFloatLE(2), 0x01)
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t.end()
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})
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tape('test readDoubleLE / readDoubleBE', function (t) {
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var buf1 = new Buffer(1)
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, buf2 = new Buffer(3)
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, buf3 = new Buffer(10)
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, bl = new BufferList()
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buf2[1] = 0x55
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buf2[2] = 0x55
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buf3[0] = 0x55
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buf3[1] = 0x55
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buf3[2] = 0x55
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buf3[3] = 0x55
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buf3[4] = 0xd5
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buf3[5] = 0x3f
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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.readDoubleLE(2), 0.3333333333333333)
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t.end()
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})
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tape('test toString', function (t) {
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var bl = new BufferList()
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bl.append(new Buffer('abcd'))
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bl.append(new Buffer('efg'))
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bl.append(new Buffer('hi'))
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bl.append(new Buffer('j'))
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t.equal(bl.toString('ascii', 0, 10), 'abcdefghij')
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t.equal(bl.toString('ascii', 3, 10), 'defghij')
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t.equal(bl.toString('ascii', 3, 6), 'def')
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t.equal(bl.toString('ascii', 3, 8), 'defgh')
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t.equal(bl.toString('ascii', 5, 10), 'fghij')
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t.end()
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})
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tape('test toString encoding', function (t) {
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var bl = new BufferList()
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, b = new Buffer('abcdefghij\xff\x00')
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bl.append(new Buffer('abcd'))
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bl.append(new Buffer('efg'))
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bl.append(new Buffer('hi'))
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bl.append(new Buffer('j'))
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bl.append(new Buffer('\xff\x00'))
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encodings.forEach(function (enc) {
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t.equal(bl.toString(enc), b.toString(enc), enc)
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})
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t.end()
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})
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!process.browser && tape('test stream', function (t) {
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var random = crypto.randomBytes(65534)
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, rndhash = hash(random, 'md5')
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, md5sum = crypto.createHash('md5')
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, bl = new BufferList(function (err, buf) {
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t.ok(Buffer.isBuffer(buf))
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t.ok(err === null)
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t.equal(rndhash, hash(bl.slice(), 'md5'))
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t.equal(rndhash, hash(buf, 'md5'))
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bl.pipe(fs.createWriteStream('/tmp/bl_test_rnd_out.dat'))
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.on('close', function () {
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var s = fs.createReadStream('/tmp/bl_test_rnd_out.dat')
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s.on('data', md5sum.update.bind(md5sum))
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s.on('end', function() {
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t.equal(rndhash, md5sum.digest('hex'), 'woohoo! correct hash!')
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t.end()
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})
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})
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})
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fs.writeFileSync('/tmp/bl_test_rnd.dat', random)
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fs.createReadStream('/tmp/bl_test_rnd.dat').pipe(bl)
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})
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tape('instantiation with Buffer', function (t) {
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var buf = crypto.randomBytes(1024)
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, buf2 = crypto.randomBytes(1024)
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, b = BufferList(buf)
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t.equal(buf.toString('hex'), b.slice().toString('hex'), 'same buffer')
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b = BufferList([ buf, buf2 ])
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t.equal(b.slice().toString('hex'), Buffer.concat([ buf, buf2 ]).toString('hex'), 'same buffer')
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t.end()
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})
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tape('test String appendage', function (t) {
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var bl = new BufferList()
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, b = new Buffer('abcdefghij\xff\x00')
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bl.append('abcd')
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bl.append('efg')
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bl.append('hi')
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bl.append('j')
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bl.append('\xff\x00')
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encodings.forEach(function (enc) {
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t.equal(bl.toString(enc), b.toString(enc))
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})
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t.end()
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})
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tape('test Number appendage', function (t) {
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var bl = new BufferList()
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, b = new Buffer('1234567890')
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bl.append(1234)
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bl.append(567)
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bl.append(89)
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bl.append(0)
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encodings.forEach(function (enc) {
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t.equal(bl.toString(enc), b.toString(enc))
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})
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t.end()
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})
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tape('write nothing, should get empty buffer', function (t) {
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t.plan(3)
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BufferList(function (err, data) {
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t.notOk(err, 'no error')
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t.ok(Buffer.isBuffer(data), 'got a buffer')
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t.equal(0, data.length, 'got a zero-length buffer')
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t.end()
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}).end()
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})
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tape('unicode string', function (t) {
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t.plan(2)
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var inp1 = '\u2600'
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, inp2 = '\u2603'
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, exp = inp1 + ' and ' + inp2
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, bl = BufferList()
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bl.write(inp1)
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bl.write(' and ')
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bl.write(inp2)
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t.equal(exp, bl.toString())
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t.equal(new Buffer(exp).toString('hex'), bl.toString('hex'))
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})
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tape('should emit finish', function (t) {
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var source = BufferList()
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, dest = BufferList()
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source.write('hello')
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source.pipe(dest)
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dest.on('finish', function () {
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t.equal(dest.toString('utf8'), 'hello')
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t.end()
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})
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})
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tape('basic copy', function (t) {
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var buf = crypto.randomBytes(1024)
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, buf2 = new Buffer(1024)
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, b = BufferList(buf)
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b.copy(buf2)
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t.equal(b.slice().toString('hex'), buf2.toString('hex'), 'same buffer')
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t.end()
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})
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tape('copy after many appends', function (t) {
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var buf = crypto.randomBytes(512)
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, buf2 = new Buffer(1024)
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, 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) {
|
|
var buf = crypto.randomBytes(1004)
|
|
, buf2 = new Buffer(1024)
|
|
, 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) {
|
|
var buf = crypto.randomBytes(10)
|
|
, buf2 = new Buffer(5)
|
|
, 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) {
|
|
var rnd = crypto.randomBytes(10)
|
|
, b = BufferList(rnd) // put the random bytes there
|
|
, actual = new Buffer(3)
|
|
, expected = new Buffer(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) {
|
|
var buf = crypto.randomBytes(10)
|
|
, buf2 = new Buffer(10)
|
|
, 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) {
|
|
var 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)
|
|
var 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)
|
|
var 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)
|
|
var 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)
|
|
var buffers = [new Buffer('First'), new Buffer('Second'), new Buffer('Third')]
|
|
var bl = (new BufferList(buffers)).shallowSlice(5, -3)
|
|
|
|
buffers[1].fill('h')
|
|
buffers[2].fill('h')
|
|
|
|
t.equal(bl.toString(), 'hhhhhhhh')
|
|
})
|
|
|
|
tape('duplicate', function (t) {
|
|
t.plan(2)
|
|
|
|
var bl = new BufferList('abcdefghij\xff\x00')
|
|
, 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)
|
|
|
|
var bl = new BufferList('alsdkfja;lsdkfja;lsdk')
|
|
bl.destroy()
|
|
|
|
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)
|
|
|
|
var bl = new BufferList()
|
|
fs.createReadStream(__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)
|
|
|
|
var bl = new BufferList()
|
|
fs.createReadStream(__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)
|
|
|
|
var bl = new BufferList()
|
|
fs.createReadStream(__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)
|
|
|
|
var bl = new BufferList()
|
|
, ds = new BufferList()
|
|
|
|
fs.createReadStream(__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')
|
|
}))
|
|
})
|