FM / safer-buffer

/usr/lib/node_modules/pnpm/dist/node_modules/safer-buffer/

/usr/lib/node_modules/pnpm/dist/node_modules/safer-buffer

Name	Size	Mode	Actions
dangerous.js	1483	0644	edit dl rm
LICENSE	1094	0644	edit dl rm
package.json	822	0644	edit dl rm
safer.js	2110	0644	edit dl rm
tests.js	15735	0644	edit dl rm

Edit: /usr/lib/node_modules/pnpm/dist/node_modules/safer-buffer/tests.js (15735B)

/* eslint-disable node/no-deprecated-api */

'use strict'

var test = require('tape')

var buffer = require('buffer')

var index = require('./')
var safer = require('./safer')
var dangerous = require('./dangerous')

/* Inheritance tests */

test('Default is Safer', function (t) {
  t.equal(index, safer)
  t.notEqual(safer, dangerous)
  t.notEqual(index, dangerous)
  t.end()
})

test('Is not a function', function (t) {
  [index, safer, dangerous].forEach(function (impl) {
    t.equal(typeof impl, 'object')
    t.equal(typeof impl.Buffer, 'object')
  });
  [buffer].forEach(function (impl) {
    t.equal(typeof impl, 'object')
    t.equal(typeof impl.Buffer, 'function')
  })
  t.end()
})

test('Constructor throws', function (t) {
  [index, safer, dangerous].forEach(function (impl) {
    t.throws(function () { impl.Buffer() })
    t.throws(function () { impl.Buffer(0) })
    t.throws(function () { impl.Buffer('a') })
    t.throws(function () { impl.Buffer('a', 'utf-8') })
    t.throws(function () { return new impl.Buffer() })
    t.throws(function () { return new impl.Buffer(0) })
    t.throws(function () { return new impl.Buffer('a') })
    t.throws(function () { return new impl.Buffer('a', 'utf-8') })
  })
  t.end()
})

test('Safe methods exist', function (t) {
  [index, safer, dangerous].forEach(function (impl) {
    t.equal(typeof impl.Buffer.alloc, 'function', 'alloc')
    t.equal(typeof impl.Buffer.from, 'function', 'from')
  })
  t.end()
})

test('Unsafe methods exist only in Dangerous', function (t) {
  [index, safer].forEach(function (impl) {
    t.equal(typeof impl.Buffer.allocUnsafe, 'undefined')
    t.equal(typeof impl.Buffer.allocUnsafeSlow, 'undefined')
  });
  [dangerous].forEach(function (impl) {
    t.equal(typeof impl.Buffer.allocUnsafe, 'function')
    t.equal(typeof impl.Buffer.allocUnsafeSlow, 'function')
  })
  t.end()
})

test('Generic methods/properties are defined and equal', function (t) {
  ['poolSize', 'isBuffer', 'concat', 'byteLength'].forEach(function (method) {
    [index, safer, dangerous].forEach(function (impl) {
      t.equal(impl.Buffer[method], buffer.Buffer[method], method)
      t.notEqual(typeof impl.Buffer[method], 'undefined', method)
    })
  })
  t.end()
})

test('Built-in buffer static methods/properties are inherited', function (t) {
  Object.keys(buffer).forEach(function (method) {
    if (method === 'SlowBuffer' || method === 'Buffer') return;
    [index, safer, dangerous].forEach(function (impl) {
      t.equal(impl[method], buffer[method], method)
      t.notEqual(typeof impl[method], 'undefined', method)
    })
  })
  t.end()
})

test('Built-in Buffer static methods/properties are inherited', function (t) {
  Object.keys(buffer.Buffer).forEach(function (method) {
    if (method === 'allocUnsafe' || method === 'allocUnsafeSlow') return;
    [index, safer, dangerous].forEach(function (impl) {
      t.equal(impl.Buffer[method], buffer.Buffer[method], method)
      t.notEqual(typeof impl.Buffer[method], 'undefined', method)
    })
  })
  t.end()
})

test('.prototype property of Buffer is inherited', function (t) {
  [index, safer, dangerous].forEach(function (impl) {
    t.equal(impl.Buffer.prototype, buffer.Buffer.prototype, 'prototype')
    t.notEqual(typeof impl.Buffer.prototype, 'undefined', 'prototype')
  })
  t.end()
})

test('All Safer methods are present in Dangerous', function (t) {
  Object.keys(safer).forEach(function (method) {
    if (method === 'Buffer') return;
    [index, safer, dangerous].forEach(function (impl) {
      t.equal(impl[method], safer[method], method)
      if (method !== 'kStringMaxLength') {
        t.notEqual(typeof impl[method], 'undefined', method)
      }
    })
  })
  Object.keys(safer.Buffer).forEach(function (method) {
    [index, safer, dangerous].forEach(function (impl) {
      t.equal(impl.Buffer[method], safer.Buffer[method], method)
      t.notEqual(typeof impl.Buffer[method], 'undefined', method)
    })
  })
  t.end()
})

test('Safe methods from Dangerous methods are present in Safer', function (t) {
  Object.keys(dangerous).forEach(function (method) {
    if (method === 'Buffer') return;
    [index, safer, dangerous].forEach(function (impl) {
      t.equal(impl[method], dangerous[method], method)
      if (method !== 'kStringMaxLength') {
        t.notEqual(typeof impl[method], 'undefined', method)
      }
    })
  })
  Object.keys(dangerous.Buffer).forEach(function (method) {
    if (method === 'allocUnsafe' || method === 'allocUnsafeSlow') return;
    [index, safer, dangerous].forEach(function (impl) {
      t.equal(impl.Buffer[method], dangerous.Buffer[method], method)
      t.notEqual(typeof impl.Buffer[method], 'undefined', method)
    })
  })
  t.end()
})

/* Behaviour tests */

test('Methods return Buffers', function (t) {
  [index, safer, dangerous].forEach(function (impl) {
    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(0)))
    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(0, 10)))
    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(0, 'a')))
    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(10)))
    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(10, 'x')))
    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(9, 'ab')))
    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from('')))
    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from('string')))
    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from('string', 'utf-8')))
    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from('b25ldHdvdGhyZWU=', 'base64')))
    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from([0, 42, 3])))
    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from(new Uint8Array([0, 42, 3]))))
    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from([])))
  });
  ['allocUnsafe', 'allocUnsafeSlow'].forEach(function (method) {
    t.ok(buffer.Buffer.isBuffer(dangerous.Buffer[method](0)))
    t.ok(buffer.Buffer.isBuffer(dangerous.Buffer[method](10)))
  })
  t.end()
})

test('Constructor is buffer.Buffer', function (t) {
  [index, safer, dangerous].forEach(function (impl) {
    t.equal(impl.Buffer.alloc(0).constructor, buffer.Buffer)
    t.equal(impl.Buffer.alloc(0, 10).constructor, buffer.Buffer)
    t.equal(impl.Buffer.alloc(0, 'a').constructor, buffer.Buffer)
    t.equal(impl.Buffer.alloc(10).constructor, buffer.Buffer)
    t.equal(impl.Buffer.alloc(10, 'x').constructor, buffer.Buffer)
    t.equal(impl.Buffer.alloc(9, 'ab').constructor, buffer.Buffer)
    t.equal(impl.Buffer.from('').constructor, buffer.Buffer)
    t.equal(impl.Buffer.from('string').constructor, buffer.Buffer)
    t.equal(impl.Buffer.from('string', 'utf-8').constructor, buffer.Buffer)
    t.equal(impl.Buffer.from('b25ldHdvdGhyZWU=', 'base64').constructor, buffer.Buffer)
    t.equal(impl.Buffer.from([0, 42, 3]).constructor, buffer.Buffer)
    t.equal(impl.Buffer.from(new Uint8Array([0, 42, 3])).constructor, buffer.Buffer)
    t.equal(impl.Buffer.from([]).constructor, buffer.Buffer)
  });
  [0, 10, 100].forEach(function (arg) {
    t.equal(dangerous.Buffer.allocUnsafe(arg).constructor, buffer.Buffer)
    t.equal(dangerous.Buffer.allocUnsafeSlow(arg).constructor, buffer.SlowBuffer(0).constructor)
  })
  t.end()
})

test('Invalid calls throw', function (t) {
  [index, safer, dangerous].forEach(function (impl) {
    t.throws(function () { impl.Buffer.from(0) })
    t.throws(function () { impl.Buffer.from(10) })
    t.throws(function () { impl.Buffer.from(10, 'utf-8') })
    t.throws(function () { impl.Buffer.from('string', 'invalid encoding') })
    t.throws(function () { impl.Buffer.from(-10) })
    t.throws(function () { impl.Buffer.from(1e90) })
    t.throws(function () { impl.Buffer.from(Infinity) })
    t.throws(function () { impl.Buffer.from(-Infinity) })
    t.throws(function () { impl.Buffer.from(NaN) })
    t.throws(function () { impl.Buffer.from(null) })
    t.throws(function () { impl.Buffer.from(undefined) })
    t.throws(function () { impl.Buffer.from() })
    t.throws(function () { impl.Buffer.from({}) })
    t.throws(function () { impl.Buffer.alloc('') })
    t.throws(function () { impl.Buffer.alloc('string') })
    t.throws(function () { impl.Buffer.alloc('string', 'utf-8') })
    t.throws(function () { impl.Buffer.alloc('b25ldHdvdGhyZWU=', 'base64') })
    t.throws(function () { impl.Buffer.alloc(-10) })
    t.throws(function () { impl.Buffer.alloc(1e90) })
    t.throws(function () { impl.Buffer.alloc(2 * (1 << 30)) })
    t.throws(function () { impl.Buffer.alloc(Infinity) })
    t.throws(function () { impl.Buffer.alloc(-Infinity) })
    t.throws(function () { impl.Buffer.alloc(null) })
    t.throws(function () { impl.Buffer.alloc(undefined) })
    t.throws(function () { impl.Buffer.alloc() })
    t.throws(function () { impl.Buffer.alloc([]) })
    t.throws(function () { impl.Buffer.alloc([0, 42, 3]) })
    t.throws(function () { impl.Buffer.alloc({}) })
  });
  ['allocUnsafe', 'allocUnsafeSlow'].forEach(function (method) {
    t.throws(function () { dangerous.Buffer[method]('') })
    t.throws(function () { dangerous.Buffer[method]('string') })
    t.throws(function () { dangerous.Buffer[method]('string', 'utf-8') })
    t.throws(function () { dangerous.Buffer[method](2 * (1 << 30)) })
    t.throws(function () { dangerous.Buffer[method](Infinity) })
    if (dangerous.Buffer[method] === buffer.Buffer.allocUnsafe) {
      t.skip('Skipping, older impl of allocUnsafe coerced negative sizes to 0')
    } else {
      t.throws(function () { dangerous.Buffer[method](-10) })
      t.throws(function () { dangerous.Buffer[method](-1e90) })
      t.throws(function () { dangerous.Buffer[method](-Infinity) })
    }
    t.throws(function () { dangerous.Buffer[method](null) })
    t.throws(function () { dangerous.Buffer[method](undefined) })
    t.throws(function () { dangerous.Buffer[method]() })
    t.throws(function () { dangerous.Buffer[method]([]) })
    t.throws(function () { dangerous.Buffer[method]([0, 42, 3]) })
    t.throws(function () { dangerous.Buffer[method]({}) })
  })
  t.end()
})

test('Buffers have appropriate lengths', function (t) {
  [index, safer, dangerous].forEach(function (impl) {
    t.equal(impl.Buffer.alloc(0).length, 0)
    t.equal(impl.Buffer.alloc(10).length, 10)
    t.equal(impl.Buffer.from('').length, 0)
    t.equal(impl.Buffer.from('string').length, 6)
    t.equal(impl.Buffer.from('string', 'utf-8').length, 6)
    t.equal(impl.Buffer.from('b25ldHdvdGhyZWU=', 'base64').length, 11)
    t.equal(impl.Buffer.from([0, 42, 3]).length, 3)
    t.equal(impl.Buffer.from(new Uint8Array([0, 42, 3])).length, 3)
    t.equal(impl.Buffer.from([]).length, 0)
  });
  ['allocUnsafe', 'allocUnsafeSlow'].forEach(function (method) {
    t.equal(dangerous.Buffer[method](0).length, 0)
    t.equal(dangerous.Buffer[method](10).length, 10)
  })
  t.end()
})

test('Buffers have appropriate lengths (2)', function (t) {
  t.equal(index.Buffer.alloc, safer.Buffer.alloc)
  t.equal(index.Buffer.alloc, dangerous.Buffer.alloc)
  var ok = true;
  [ safer.Buffer.alloc,
    dangerous.Buffer.allocUnsafe,
    dangerous.Buffer.allocUnsafeSlow
  ].forEach(function (method) {
    for (var i = 0; i < 1e2; i++) {
      var length = Math.round(Math.random() * 1e5)
      var buf = method(length)
      if (!buffer.Buffer.isBuffer(buf)) ok = false
      if (buf.length !== length) ok = false
    }
  })
  t.ok(ok)
  t.end()
})

test('.alloc(size) is zero-filled and has correct length', function (t) {
  t.equal(index.Buffer.alloc, safer.Buffer.alloc)
  t.equal(index.Buffer.alloc, dangerous.Buffer.alloc)
  var ok = true
  for (var i = 0; i < 1e2; i++) {
    var length = Math.round(Math.random() * 2e6)
    var buf = index.Buffer.alloc(length)
    if (!buffer.Buffer.isBuffer(buf)) ok = false
    if (buf.length !== length) ok = false
    var j
    for (j = 0; j < length; j++) {
      if (buf[j] !== 0) ok = false
    }
    buf.fill(1)
    for (j = 0; j < length; j++) {
      if (buf[j] !== 1) ok = false
    }
  }
  t.ok(ok)
  t.end()
})

test('.allocUnsafe / .allocUnsafeSlow are fillable and have correct lengths', function (t) {
  ['allocUnsafe', 'allocUnsafeSlow'].forEach(function (method) {
    var ok = true
    for (var i = 0; i < 1e2; i++) {
      var length = Math.round(Math.random() * 2e6)
      var buf = dangerous.Buffer[method](length)
      if (!buffer.Buffer.isBuffer(buf)) ok = false
      if (buf.length !== length) ok = false
      buf.fill(0, 0, length)
      var j
      for (j = 0; j < length; j++) {
        if (buf[j] !== 0) ok = false
      }
      buf.fill(1, 0, length)
      for (j = 0; j < length; j++) {
        if (buf[j] !== 1) ok = false
      }
    }
    t.ok(ok, method)
  })
  t.end()
})

test('.alloc(size, fill) is `fill`-filled', function (t) {
  t.equal(index.Buffer.alloc, safer.Buffer.alloc)
  t.equal(index.Buffer.alloc, dangerous.Buffer.alloc)
  var ok = true
  for (var i = 0; i < 1e2; i++) {
    var length = Math.round(Math.random() * 2e6)
    var fill = Math.round(Math.random() * 255)
    var buf = index.Buffer.alloc(length, fill)
    if (!buffer.Buffer.isBuffer(buf)) ok = false
    if (buf.length !== length) ok = false
    for (var j = 0; j < length; j++) {
      if (buf[j] !== fill) ok = false
    }
  }
  t.ok(ok)
  t.end()
})

var tmp = new buffer.Buffer(2)
  tmp.fill('ok')
  if (tmp[1] === tmp[0]) {
    // Outdated Node.js
    t.deepEqual(index.Buffer.alloc(5, 'ok'), index.Buffer.from('ooooo'))
  } else {
    t.deepEqual(index.Buffer.alloc(5, 'ok'), index.Buffer.from('okoko'))
  }
  t.notDeepEqual(index.Buffer.alloc(5, 'ok'), index.Buffer.from('kokok'))

t.end()
})

test('safer.Buffer.from returns results same as Buffer constructor', function (t) {
  [index, safer, dangerous].forEach(function (impl) {
    t.deepEqual(impl.Buffer.from(''), new buffer.Buffer(''))
    t.deepEqual(impl.Buffer.from('string'), new buffer.Buffer('string'))
    t.deepEqual(impl.Buffer.from('string', 'utf-8'), new buffer.Buffer('string', 'utf-8'))
    t.deepEqual(impl.Buffer.from('b25ldHdvdGhyZWU=', 'base64'), new buffer.Buffer('b25ldHdvdGhyZWU=', 'base64'))
    t.deepEqual(impl.Buffer.from([0, 42, 3]), new buffer.Buffer([0, 42, 3]))
    t.deepEqual(impl.Buffer.from(new Uint8Array([0, 42, 3])), new buffer.Buffer(new Uint8Array([0, 42, 3])))
    t.deepEqual(impl.Buffer.from([]), new buffer.Buffer([]))
  })
  t.end()
})

test('safer.Buffer.from returns consistent results', function (t) {
  [index, safer, dangerous].forEach(function (impl) {
    t.deepEqual(impl.Buffer.from(''), impl.Buffer.alloc(0))
    t.deepEqual(impl.Buffer.from([]), impl.Buffer.alloc(0))
    t.deepEqual(impl.Buffer.from(new Uint8Array([])), impl.Buffer.alloc(0))
    t.deepEqual(impl.Buffer.from('string', 'utf-8'), impl.Buffer.from('string'))
    t.deepEqual(impl.Buffer.from('string'), impl.Buffer.from([115, 116, 114, 105, 110, 103]))
    t.deepEqual(impl.Buffer.from('string'), impl.Buffer.from(impl.Buffer.from('string')))
    t.deepEqual(impl.Buffer.from('b25ldHdvdGhyZWU=', 'base64'), impl.Buffer.from('onetwothree'))
    t.notDeepEqual(impl.Buffer.from('b25ldHdvdGhyZWU='), impl.Buffer.from('onetwothree'))
  })
  t.end()
})

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