bl - npm Package Compare versions

Comparing version 0.6.0 to 0.7.0

test/basic-test.js

+var tape       = require('tape')
+  , crypto     = require('crypto')
+  , fs         = require('fs')
+  , hash       = require('hash_file')
+  , BufferList = require('../')
+
+  , encodings  =
+      ('hex utf8 utf-8 ascii binary base64'
+          + (process.browser ? '' : ' ucs2 ucs-2 utf16le utf-16le')).split(' ')
+
+tape('single bytes from single buffer', function (t) {
+  var bl = new BufferList()
+  bl.append(new Buffer('abcd'))
+
+  t.equal(bl.length, 4)
+
+  t.equal(bl.get(0), 97)
+  t.equal(bl.get(1), 98)
+  t.equal(bl.get(2), 99)
+  t.equal(bl.get(3), 100)
+
+  t.end()
+})
+
+tape('single bytes from multiple buffers', function (t) {
+  var bl = new BufferList()
+  bl.append(new Buffer('abcd'))
+  bl.append(new Buffer('efg'))
+  bl.append(new Buffer('hi'))
+  bl.append(new Buffer('j'))
+
+  t.equal(bl.length, 10)
+
+  t.equal(bl.get(0), 97)
+  t.equal(bl.get(1), 98)
+  t.equal(bl.get(2), 99)
+  t.equal(bl.get(3), 100)
+  t.equal(bl.get(4), 101)
+  t.equal(bl.get(5), 102)
+  t.equal(bl.get(6), 103)
+  t.equal(bl.get(7), 104)
+  t.equal(bl.get(8), 105)
+  t.equal(bl.get(9), 106)
+  t.end()
+})
+
+tape('multi bytes from single buffer', function (t) {
+  var bl = new BufferList()
+  bl.append(new Buffer('abcd'))
+
+  t.equal(bl.length, 4)
+
+  t.equal(bl.slice(0, 4).toString('ascii'), 'abcd')
+  t.equal(bl.slice(0, 3).toString('ascii'), 'abc')
+  t.equal(bl.slice(1, 4).toString('ascii'), 'bcd')
+
+  t.end()
+})
+
+tape('multiple bytes from multiple buffers', function (t) {
+  var bl = new BufferList()
+
+  bl.append(new Buffer('abcd'))
+  bl.append(new Buffer('efg'))
+  bl.append(new Buffer('hi'))
+  bl.append(new Buffer('j'))
+
+  t.equal(bl.length, 10)
+
+  t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij')
+  t.equal(bl.slice(3, 10).toString('ascii'), 'defghij')
+  t.equal(bl.slice(3, 6).toString('ascii'), 'def')
+  t.equal(bl.slice(3, 8).toString('ascii'), 'defgh')
+  t.equal(bl.slice(5, 10).toString('ascii'), 'fghij')
+
+  t.end()
+})
+
+tape('consuming from multiple buffers', function (t) {
+  var bl = new BufferList()
+
+  bl.append(new Buffer('abcd'))
+  bl.append(new Buffer('efg'))
+  bl.append(new Buffer('hi'))
+  bl.append(new Buffer('j'))
+
+  t.equal(bl.length, 10)
+
+  t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij')
+
+  bl.consume(3)
+  t.equal(bl.length, 7)
+  t.equal(bl.slice(0, 7).toString('ascii'), 'defghij')
+
+  bl.consume(2)
+  t.equal(bl.length, 5)
+  t.equal(bl.slice(0, 5).toString('ascii'), 'fghij')
+
+  bl.consume(1)
+  t.equal(bl.length, 4)
+  t.equal(bl.slice(0, 4).toString('ascii'), 'ghij')
+
+  bl.consume(1)
+  t.equal(bl.length, 3)
+  t.equal(bl.slice(0, 3).toString('ascii'), 'hij')
+
+  bl.consume(2)
+  t.equal(bl.length, 1)
+  t.equal(bl.slice(0, 1).toString('ascii'), 'j')
+
+  t.end()
+})
+
+tape('test readUInt8 / readInt8', function (t) {
+  var buf1 = new Buffer(1)
+    , buf2 = new Buffer(3)
+    , buf3 = new Buffer(3)
+    , bl  = new BufferList()
+
+  buf2[1] = 0x3
+  buf2[2] = 0x4
+  buf3[0] = 0x23
+  buf3[1] = 0x42
+
+  bl.append(buf1)
+  bl.append(buf2)
+  bl.append(buf3)
+
+  t.equal(bl.readUInt8(2), 0x3)
+  t.equal(bl.readInt8(2), 0x3)
+  t.equal(bl.readUInt8(3), 0x4)
+  t.equal(bl.readInt8(3), 0x4)
+  t.equal(bl.readUInt8(4), 0x23)
+  t.equal(bl.readInt8(4), 0x23)
+  t.equal(bl.readUInt8(5), 0x42)
+  t.equal(bl.readInt8(5), 0x42)
+  t.end()
+})
+
+tape('test readUInt16LE / readUInt16BE / readInt16LE / readInt16BE', function (t) {
+  var buf1 = new Buffer(1)
+    , buf2 = new Buffer(3)
+    , buf3 = new Buffer(3)
+    , bl   = new BufferList()
+
+  buf2[1] = 0x3
+  buf2[2] = 0x4
+  buf3[0] = 0x23
+  buf3[1] = 0x42
+
+  bl.append(buf1)
+  bl.append(buf2)
+  bl.append(buf3)
+
+  t.equal(bl.readUInt16BE(2), 0x0304)
+  t.equal(bl.readUInt16LE(2), 0x0403)
+  t.equal(bl.readInt16BE(2), 0x0304)
+  t.equal(bl.readInt16LE(2), 0x0403)
+  t.equal(bl.readUInt16BE(3), 0x0423)
+  t.equal(bl.readUInt16LE(3), 0x2304)
+  t.equal(bl.readInt16BE(3), 0x0423)
+  t.equal(bl.readInt16LE(3), 0x2304)
+  t.equal(bl.readUInt16BE(4), 0x2342)
+  t.equal(bl.readUInt16LE(4), 0x4223)
+  t.equal(bl.readInt16BE(4), 0x2342)
+  t.equal(bl.readInt16LE(4), 0x4223)
+  t.end()
+})
+
+tape('test readUInt32LE / readUInt32BE / readInt32LE / readInt32BE', function (t) {
+  var buf1 = new Buffer(1)
+    , buf2 = new Buffer(3)
+    , buf3 = new Buffer(3)
+    , bl   = new BufferList()
+
+  buf2[1] = 0x3
+  buf2[2] = 0x4
+  buf3[0] = 0x23
+  buf3[1] = 0x42
+
+  bl.append(buf1)
+  bl.append(buf2)
+  bl.append(buf3)
+
+  t.equal(bl.readUInt32BE(2), 0x03042342)
+  t.equal(bl.readUInt32LE(2), 0x42230403)
+  t.equal(bl.readInt32BE(2), 0x03042342)
+  t.equal(bl.readInt32LE(2), 0x42230403)
+  t.end()
+})
+
+tape('test readFloatLE / readFloatBE', function (t) {
+  var buf1 = new Buffer(1)
+    , buf2 = new Buffer(3)
+    , buf3 = new Buffer(3)
+    , bl   = new BufferList()
+
+  buf2[1] = 0x00
+  buf2[2] = 0x00
+  buf3[0] = 0x80
+  buf3[1] = 0x3f
+
+  bl.append(buf1)
+  bl.append(buf2)
+  bl.append(buf3)
+
+  t.equal(bl.readFloatLE(2), 0x01)
+  t.end()
+})
+
+tape('test readDoubleLE / readDoubleBE', function (t) {
+  var buf1 = new Buffer(1)
+    , buf2 = new Buffer(3)
+    , buf3 = new Buffer(10)
+    , bl   = new BufferList()
+
+  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)
+
+  t.equal(bl.readDoubleLE(2), 0.3333333333333333)
+  t.end()
+})
+
+tape('test toString', function (t) {
+  var bl = new BufferList()
+
+  bl.append(new Buffer('abcd'))
+  bl.append(new Buffer('efg'))
+  bl.append(new Buffer('hi'))
+  bl.append(new Buffer('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) {
+  var bl = new BufferList()
+    , b  = new Buffer('abcdefghij\xff\x00')
+
+  bl.append(new Buffer('abcd'))
+  bl.append(new Buffer('efg'))
+  bl.append(new Buffer('hi'))
+  bl.append(new Buffer('j'))
+  bl.append(new Buffer('\xff\x00'))
+
+  encodings.forEach(function (enc) {
+      t.equal(bl.toString(enc), b.toString(enc), enc)
+    })
+
+  t.end()
+})
+
+!process.browser && tape('test stream', function (t) {
+  var random = crypto.randomBytes(65534)
+    , rndhash = hash(random, 'md5')
+    , md5sum = crypto.createHash('md5')
+    , bl     = new BufferList(function (err, buf) {
+        t.ok(Buffer.isBuffer(buf))
+        t.ok(err === null)
+        t.equal(rndhash, hash(bl.slice(), 'md5'))
+        t.equal(rndhash, hash(buf, 'md5'))
+
+        bl.pipe(fs.createWriteStream('/tmp/bl_test_rnd_out.dat'))
+          .on('close', function () {
+            var 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) {
+  var buf  = crypto.randomBytes(1024)
+    , buf2 = crypto.randomBytes(1024)
+    , 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) {
+  var bl = new BufferList()
+    , b  = new Buffer('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('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)
+  var inp1 = '\u2600'
+    , inp2 = '\u2603'
+    , exp = inp1 + ' and ' + inp2
+    , bl = BufferList()
+  bl.write(inp1)
+  bl.write(' and ')
+  bl.write(inp2)
+  t.equal(exp, bl.toString())
+  t.equal(new Buffer(exp).toString('hex'), bl.toString('hex'))
+})
+
+tape('should emit finish', function (t) {
+  var source = BufferList()
+    , 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) {
+  var buf  = crypto.randomBytes(1024)
+    , buf2 = new Buffer(1024)
+    , 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) {
+  var buf  = crypto.randomBytes(512)
+    , buf2 = new Buffer(1024)
+    , 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 buf      = crypto.randomBytes(10)
+    , buf2     = new Buffer(3)
+    , b        = BufferList(buf)
+    , expected = new Buffer(3)
+
+  // put the same old data there
+  buf2.copy(expected)
+  buf.copy(expected, 0, 5, 7)
+
+  b.copy(buf2, 0, 5, 7)
+  t.equal(expected.slice().toString('hex'), buf2.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('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'))
+})
+
+!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')
+  }))
+})

test/sauce.js

+#!/usr/bin/env node
+
+const user       = process.env.SAUCE_USER
+    , key        = process.env.SAUCE_KEY
+    , path       = require('path')
+    , brtapsauce = require('brtapsauce')
+    , testFile   = path.join(__dirname, 'basic-test.js')
+
+    , capabilities = [
+          { browserName: 'chrome'            , platform: 'Windows XP', version: ''   }
+        , { browserName: 'firefox'           , platform: 'Windows 8' , version: ''   }
+        , { browserName: 'firefox'           , platform: 'Windows XP', version: '4'  }
+        , { browserName: 'internet explorer' , platform: 'Windows 8' , version: '10' }
+        , { browserName: 'internet explorer' , platform: 'Windows 7' , version: '9'  }
+        , { browserName: 'internet explorer' , platform: 'Windows 7' , version: '8'  }
+        , { browserName: 'internet explorer' , platform: 'Windows XP', version: '7'  }
+        , { browserName: 'internet explorer' , platform: 'Windows XP', version: '6'  }
+        , { browserName: 'safari'            , platform: 'Windows 7' , version: '5'  }
+        , { browserName: 'safari'            , platform: 'OS X 10.8' , version: '6'  }
+        , { browserName: 'opera'             , platform: 'Windows 7' , version: ''   }
+        , { browserName: 'opera'             , platform: 'Windows 7' , version: '11' }
+        , { browserName: 'ipad'              , platform: 'OS X 10.8' , version: '6'  }
+        , { browserName: 'android'           , platform: 'Linux'     , version: '4.0', 'device-type': 'tablet' }
+      ]
+
+if (!user)
+  throw new Error('Must set a SAUCE_USER env var')
+if (!key)
+  throw new Error('Must set a SAUCE_KEY env var')
+
+brtapsauce({
+    name         : 'Traversty'
+  , user         : user
+  , key          : key
+  , brsrc        : testFile
+  , capabilities : capabilities
+  , options      : { timeout: 60 * 6 }
+})

test/test.js

+require('./basic-test')
+
+if (!process.env.SAUCE_KEY || !process.env.SAUCE_USER)
+  return console.log('SAUCE_KEY and/or SAUCE_USER not set, not running sauce tests')
+
+if (!/v0\.10/.test(process.version))
+  return console.log('Not Node v0.10.x, not running sauce tests')
+
+require('./sauce.js')

.travis.yml

@@ -11,2 +11,6 @@ language: node_js
     - [e-mail]
-script: npm test
+script: npm test
+env:
+  global:
+  - SAUCE_USER=bl-sauce
+  - secure: "EN/BSk+c4E8pgtW/hTSk5dp3iBng6PPtWHc2kxeMyUjMCYTjD4/zgZXm/gPTcuBxWByDlFrHlJ9A6L+aj5r9n/48tBJJLJ6B2WezZMAnzo4HHzl445BmSI6MbqmUbrN3nQ+lmRXIUzatW+pyoP+DWgCcLJpXtdKN7LwgIxIQS2g="

bl.js

@@ -1,3 +0,3 @@
-const DuplexStream = require('stream').DuplexStream || require('readable-stream/duplex')
-    , util         = require('util')
+var DuplexStream = require('readable-stream').Duplex
+  , util         = require('util')
 
@@ -198,9 +198,11 @@ function BufferList (callback) {
 
-  Object.keys(methods).forEach(function (m) {
-    BufferList.prototype[m] = function (offset) {
-      return this.slice(offset, offset + methods[m])[m](0)
-    }
-  })
+  for (var m in methods) {
+    (function (m) {
+      BufferList.prototype[m] = function (offset) {
+        return this.slice(offset, offset + methods[m])[m](0)
+      }
+    }(m))
+  }
 }())
 
 module.exports = BufferList

package.json

 {
   "name": "bl",
-  "version": "0.6.0",
+  "version": "0.7.0",
   "description": "Buffer List: collect buffers and access with a standard readable Buffer interface, streamable too!",
   "main": "bl.js",
   "scripts": {
-    "test": "tape test.js"
+    "test": "node test/test.js | faucet",
+    "test-local": "brtapsauce-local test/basic-test.js"
   },
@@ -28,6 +29,15 @@ "repository": {
   },
+  "peerDependencies": {
+    "stream-browserify": "*"
+  },
   "devDependencies": {
-    "tape": "*",
-    "hash_file": "*"
+    "tape": "~2.3.2",
+    "hash_file": "~0.1.1",
+    "brtapsauce": "~0.3.0",
+    "faucet": "0.0.0",
+    "stream-browserify": "~0.1.2"
+  },
+  "browser": {
+    "readable-stream": "stream-browserify"
   }
 }

test.js

-const tape       = require('tape')
-    , crypto     = require('crypto')
-    , fs         = require('fs')
-    , hash       = require('hash_file')
-    , BufferList = require('./')
-
-tape('single bytes from single buffer', function (t) {
-  var bl = new BufferList()
-  bl.append(new Buffer('abcd'))
-
-  t.equal(bl.length, 4)
-
-  t.equal(bl.get(0), 97)
-  t.equal(bl.get(1), 98)
-  t.equal(bl.get(2), 99)
-  t.equal(bl.get(3), 100)
-
-  t.end()
-})
-
-tape('single bytes from multiple buffers', function (t) {
-  var bl = new BufferList()
-  bl.append(new Buffer('abcd'))
-  bl.append(new Buffer('efg'))
-  bl.append(new Buffer('hi'))
-  bl.append(new Buffer('j'))
-
-  t.equal(bl.length, 10)
-
-  t.equal(bl.get(0), 97)
-  t.equal(bl.get(1), 98)
-  t.equal(bl.get(2), 99)
-  t.equal(bl.get(3), 100)
-  t.equal(bl.get(4), 101)
-  t.equal(bl.get(5), 102)
-  t.equal(bl.get(6), 103)
-  t.equal(bl.get(7), 104)
-  t.equal(bl.get(8), 105)
-  t.equal(bl.get(9), 106)
-  t.end()
-})
-
-tape('multi bytes from single buffer', function (t) {
-  var bl = new BufferList()
-  bl.append(new Buffer('abcd'))
-
-  t.equal(bl.length, 4)
-
-  t.equal(bl.slice(0, 4).toString('ascii'), 'abcd')
-  t.equal(bl.slice(0, 3).toString('ascii'), 'abc')
-  t.equal(bl.slice(1, 4).toString('ascii'), 'bcd')
-
-  t.end()
-})
-
-tape('multiple bytes from multiple buffers', function (t) {
-  var bl = new BufferList()
-
-  bl.append(new Buffer('abcd'))
-  bl.append(new Buffer('efg'))
-  bl.append(new Buffer('hi'))
-  bl.append(new Buffer('j'))
-
-  t.equal(bl.length, 10)
-
-  t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij')
-  t.equal(bl.slice(3, 10).toString('ascii'), 'defghij')
-  t.equal(bl.slice(3, 6).toString('ascii'), 'def')
-  t.equal(bl.slice(3, 8).toString('ascii'), 'defgh')
-  t.equal(bl.slice(5, 10).toString('ascii'), 'fghij')
-
-  t.end()
-})
-
-tape('consuming from multiple buffers', function (t) {
-  var bl = new BufferList()
-
-  bl.append(new Buffer('abcd'))
-  bl.append(new Buffer('efg'))
-  bl.append(new Buffer('hi'))
-  bl.append(new Buffer('j'))
-
-  t.equal(bl.length, 10)
-
-  t.equal(bl.slice(0, 10).toString('ascii'), 'abcdefghij')
-
-  bl.consume(3)
-  t.equal(bl.length, 7)
-  t.equal(bl.slice(0, 7).toString('ascii'), 'defghij')
-
-  bl.consume(2)
-  t.equal(bl.length, 5)
-  t.equal(bl.slice(0, 5).toString('ascii'), 'fghij')
-
-  bl.consume(1)
-  t.equal(bl.length, 4)
-  t.equal(bl.slice(0, 4).toString('ascii'), 'ghij')
-
-  bl.consume(1)
-  t.equal(bl.length, 3)
-  t.equal(bl.slice(0, 3).toString('ascii'), 'hij')
-
-  bl.consume(2)
-  t.equal(bl.length, 1)
-  t.equal(bl.slice(0, 1).toString('ascii'), 'j')
-
-  t.end()
-})
-
-tape('test readUInt8 / readInt8', function (t) {
-  var buf1 = new Buffer(1)
-    , buf2 = new Buffer(3)
-    , buf3 = new Buffer(3)
-    , bl  = new BufferList()
-
-  buf2[1] = 0x3
-  buf2[2] = 0x4
-  buf3[0] = 0x23
-  buf3[1] = 0x42
-
-  bl.append(buf1)
-  bl.append(buf2)
-  bl.append(buf3)
-
-  t.equal(bl.readUInt8(2), 0x3)
-  t.equal(bl.readInt8(2), 0x3)
-  t.equal(bl.readUInt8(3), 0x4)
-  t.equal(bl.readInt8(3), 0x4)
-  t.equal(bl.readUInt8(4), 0x23)
-  t.equal(bl.readInt8(4), 0x23)
-  t.equal(bl.readUInt8(5), 0x42)
-  t.equal(bl.readInt8(5), 0x42)
-  t.end()
-})
-
-tape('test readUInt16LE / readUInt16BE / readInt16LE / readInt16BE', function (t) {
-  var buf1 = new Buffer(1)
-    , buf2 = new Buffer(3)
-    , buf3 = new Buffer(3)
-    , bl   = new BufferList()
-
-  buf2[1] = 0x3
-  buf2[2] = 0x4
-  buf3[0] = 0x23
-  buf3[1] = 0x42
-
-  bl.append(buf1)
-  bl.append(buf2)
-  bl.append(buf3)
-
-  t.equal(bl.readUInt16BE(2), 0x0304)
-  t.equal(bl.readUInt16LE(2), 0x0403)
-  t.equal(bl.readInt16BE(2), 0x0304)
-  t.equal(bl.readInt16LE(2), 0x0403)
-  t.equal(bl.readUInt16BE(3), 0x0423)
-  t.equal(bl.readUInt16LE(3), 0x2304)
-  t.equal(bl.readInt16BE(3), 0x0423)
-  t.equal(bl.readInt16LE(3), 0x2304)
-  t.equal(bl.readUInt16BE(4), 0x2342)
-  t.equal(bl.readUInt16LE(4), 0x4223)
-  t.equal(bl.readInt16BE(4), 0x2342)
-  t.equal(bl.readInt16LE(4), 0x4223)
-  t.end()
-})
-
-tape('test readUInt32LE / readUInt32BE / readInt32LE / readInt32BE', function (t) {
-  var buf1 = new Buffer(1)
-    , buf2 = new Buffer(3)
-    , buf3 = new Buffer(3)
-    , bl   = new BufferList()
-
-  buf2[1] = 0x3
-  buf2[2] = 0x4
-  buf3[0] = 0x23
-  buf3[1] = 0x42
-
-  bl.append(buf1)
-  bl.append(buf2)
-  bl.append(buf3)
-
-  t.equal(bl.readUInt32BE(2), 0x03042342)
-  t.equal(bl.readUInt32LE(2), 0x42230403)
-  t.equal(bl.readInt32BE(2), 0x03042342)
-  t.equal(bl.readInt32LE(2), 0x42230403)
-  t.end()
-})
-
-tape('test readFloatLE / readFloatBE', function (t) {
-  var buf1 = new Buffer(1)
-    , buf2 = new Buffer(3)
-    , buf3 = new Buffer(3)
-    , bl   = new BufferList()
-
-  buf2[1] = 0x00
-  buf2[2] = 0x00
-  buf3[0] = 0x80
-  buf3[1] = 0x3f
-
-  bl.append(buf1)
-  bl.append(buf2)
-  bl.append(buf3)
-
-  t.equal(bl.readFloatLE(2), 0x01)
-  t.end()
-})
-
-tape('test readDoubleLE / readDoubleBE', function (t) {
-  var buf1 = new Buffer(1)
-    , buf2 = new Buffer(3)
-    , buf3 = new Buffer(10)
-    , bl   = new BufferList()
-
-  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)
-
-  t.equal(bl.readDoubleLE(2), 0.3333333333333333)
-  t.end()
-})
-
-tape('test toString', function (t) {
-  var bl = new BufferList()
-
-  bl.append(new Buffer('abcd'))
-  bl.append(new Buffer('efg'))
-  bl.append(new Buffer('hi'))
-  bl.append(new Buffer('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) {
-  var bl = new BufferList()
-    , b  = new Buffer('abcdefghij\xff\x00')
-
-  bl.append(new Buffer('abcd'))
-  bl.append(new Buffer('efg'))
-  bl.append(new Buffer('hi'))
-  bl.append(new Buffer('j'))
-  bl.append(new Buffer('\xff\x00'))
-
-  'hex utf8 utf-8 ascii binary base64 ucs2 ucs-2 utf16le utf-16le'
-    .split(' ')
-    .forEach(function (enc) {
-      t.equal(bl.toString(enc), b.toString(enc))
-    })
-
-  t.end()
-})
-
-tape('test stream', function (t) {
-  var random = crypto.randomBytes(1024 * 1024)
-    , rndhash = hash(random, 'md5')
-    , md5sum = crypto.createHash('md5')
-    , bl     = new BufferList(function (err, buf) {
-        t.ok(Buffer.isBuffer(buf))
-        t.ok(err === null)
-        t.equal(rndhash, hash(bl.slice(), 'md5'))
-        t.equal(rndhash, hash(buf, 'md5'))
-
-        bl.pipe(fs.createWriteStream('/tmp/bl_test_rnd_out.dat'))
-          .on('close', function () {
-            var 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) {
-  var buf  = crypto.randomBytes(1024)
-    , buf2 = crypto.randomBytes(1024)
-    , b    = BufferList(buf)
-
-  t.equal(hash(buf, 'md5'), hash(b.slice(), 'md5'), 'same hash!')
-  b = BufferList([ buf, buf2 ])
-  t.equal(hash(b.slice(), 'md5'), hash(Buffer.concat([ buf, buf2 ]), 'md5'), 'same hash!')
-  t.end()
-})
-
-tape('test String appendage', function (t) {
-  var bl = new BufferList()
-    , b  = new Buffer('abcdefghij\xff\x00')
-
-  bl.append('abcd')
-  bl.append('efg')
-  bl.append('hi')
-  bl.append('j')
-  bl.append('\xff\x00')
-
-  'hex utf8 utf-8 ascii binary base64 ucs2 ucs-2 utf16le utf-16le'
-    .split(' ')
-    .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)
-  var inp1 = '\u2600'
-    , inp2 = '\u2603'
-    , exp = inp1 + ' and ' + inp2
-    , bl = BufferList()
-  bl.write(inp1)
-  bl.write(' and ')
-  bl.write(inp2)
-  t.equal(exp, bl.toString())
-  t.equal(new Buffer(exp).toString('hex'), bl.toString('hex'))
-})
-
-tape('should emit finish', function (t) {
-  var source = BufferList()
-    , 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) {
-  var buf  = crypto.randomBytes(1024)
-    , buf2 = new Buffer(1024)
-    , b    = BufferList(buf)
-
-  b.copy(buf2)
-  t.equal(hash(b.slice(), 'md5'), hash(buf2, 'md5'), 'same hash!')
-  t.end()
-})
-
-tape('copy after many appends', function (t) {
-  var buf  = crypto.randomBytes(512)
-    , buf2 = new Buffer(1024)
-    , b    = BufferList(buf)
-
-  b.append(buf)
-  b.copy(buf2)
-  t.equal(hash(b.slice(), 'md5'), hash(buf2, 'md5'), 'same hash!')
-  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(hash(b.slice(), 'md5'), hash(buf2.slice(20), 'md5'), 'same hash!')
-  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(hash(b.slice(5), 'md5'), hash(buf2, 'md5'), 'same hash!')
-  t.end()
-})
-
-tape('copy in an interval', function (t) {
-  var buf      = crypto.randomBytes(10)
-    , buf2     = new Buffer(3)
-    , b        = BufferList(buf)
-    , expected = new Buffer(3)
-
-  // put the same old data there
-  buf2.copy(expected)
-  buf.copy(expected, 0, 5, 7)
-
-  b.copy(buf2, 0, 5, 7)
-  t.equal(hash(expected, 'md5'), hash(buf2, 'md5'), 'same hash!')
-  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(hash(b.slice(5, 15), 'md5'), hash(buf2, 'md5'), 'same hash!')
-  t.end()
-})
-
-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('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')
-  }))
-})

New alerts

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 2 instances in 1 package

Filesystem access

Supply chain risk

Accesses the file system, and could potentially read sensitive data.

Found 1 instance in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Fixed alerts

Filesystem access

Supply chain risk

Accesses the file system, and could potentially read sensitive data.

Found 1 instance in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

31996

9.21%

Number of package files

10

25%

Lines of code

563

7.44%

Worsened metrics

Dependency count

2

100%

Dev dependency count

5

150%

Number of low supply chain risk alerts

6

200%

Number of medium supply chain risk alerts

1

Infinity%

No dependency changes