remove node_modules

33 files changed, 0 insertions, 6249 deletions

diff --git a/node_modules/buffer/test/_polyfill.js b/node_modules/buffer/test/_polyfill.js
deleted file mode 100644
index 61f9c1801..000000000
--- a/node_modules/buffer/test/_polyfill.js
+++ /dev/null
@@ -1,150 +0,0 @@
-if (!Array.prototype.forEach) {
-
-  Array.prototype.forEach = function(callback, thisArg) {
-
-    var T, k;
-
-    if (this == null) {
-      throw new TypeError(' this is null or not defined');
-    }
-
-    // 1. Let O be the result of calling ToObject passing the |this| value as the argument.
-    var O = Object(this);
-
-    // 2. Let lenValue be the result of calling the Get internal method of O with the argument "length".
-    // 3. Let len be ToUint32(lenValue).
-    var len = O.length >>> 0;
-
-    // 4. If IsCallable(callback) is false, throw a TypeError exception.
-    // See: http://es5.github.com/#x9.11
-    if (typeof callback !== "function") {
-      throw new TypeError(callback + ' is not a function');
-    }
-
-    // 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
-    if (arguments.length > 1) {
-      T = thisArg;
-    }
-
-    // 6. Let k be 0
-    k = 0;
-
-    // 7. Repeat, while k < len
-    while (k < len) {
-
-      var kValue;
-
-      // a. Let Pk be ToString(k).
-      //   This is implicit for LHS operands of the in operator
-      // b. Let kPresent be the result of calling the HasProperty internal method of O with argument Pk.
-      //   This step can be combined with c
-      // c. If kPresent is true, then
-      if (k in O) {
-
-        // i. Let kValue be the result of calling the Get internal method of O with argument Pk.
-        kValue = O[k];
-
-        // ii. Call the Call internal method of callback with T as the this value and
-        // argument list containing kValue, k, and O.
-        callback.call(T, kValue, k, O);
-      }
-      // d. Increase k by 1.
-      k++;
-    }
-    // 8. return undefined
-  };
-}
-
-if (!Array.isArray) {
-  Array.isArray = function(arg) {
-    return Object.prototype.toString.call(arg) === '[object Array]';
-  };
-}
-
-if (!Array.prototype.map) {
-
-  Array.prototype.map = function(callback, thisArg) {
-
-    var T, A, k;
-
-    if (this == null) {
-      throw new TypeError(' this is null or not defined');
-    }
-
-    // 1. Let O be the result of calling ToObject passing the |this|
-    //    value as the argument.
-    var O = Object(this);
-
-    // 2. Let lenValue be the result of calling the Get internal
-    //    method of O with the argument "length".
-    // 3. Let len be ToUint32(lenValue).
-    var len = O.length >>> 0;
-
-    // 4. If IsCallable(callback) is false, throw a TypeError exception.
-    // See: http://es5.github.com/#x9.11
-    if (typeof callback !== 'function') {
-      throw new TypeError(callback + ' is not a function');
-    }
-
-    // 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
-    if (arguments.length > 1) {
-      T = thisArg;
-    }
-
-    // 6. Let A be a new array created as if by the expression new Array(len)
-    //    where Array is the standard built-in constructor with that name and
-    //    len is the value of len.
-    A = new Array(len);
-
-    // 7. Let k be 0
-    k = 0;
-
-    // 8. Repeat, while k < len
-    while (k < len) {
-
-      var kValue, mappedValue;
-
-      // a. Let Pk be ToString(k).
-      //   This is implicit for LHS operands of the in operator
-      // b. Let kPresent be the result of calling the HasProperty internal
-      //    method of O with argument Pk.
-      //   This step can be combined with c
-      // c. If kPresent is true, then
-      if (k in O) {
-
-        // i. Let kValue be the result of calling the Get internal
-        //    method of O with argument Pk.
-        kValue = O[k];
-
-        // ii. Let mappedValue be the result of calling the Call internal
-        //     method of callback with T as the this value and argument
-        //     list containing kValue, k, and O.
-        mappedValue = callback.call(T, kValue, k, O);
-
-        // iii. Call the DefineOwnProperty internal method of A with arguments
-        // Pk, Property Descriptor
-        // { Value: mappedValue,
-        //   Writable: true,
-        //   Enumerable: true,
-        //   Configurable: true },
-        // and false.
-
-        // In browsers that support Object.defineProperty, use the following:
-        // Object.defineProperty(A, k, {
-        //   value: mappedValue,
-        //   writable: true,
-        //   enumerable: true,
-        //   configurable: true
-        // });
-
-        // For best browser support, use the following:
-        A[k] = mappedValue;
-      }
-      // d. Increase k by 1.
-      k++;
-    }
-
-    // 9. return A
-    return A;
-  };
-}
diff --git a/node_modules/buffer/test/base64.js b/node_modules/buffer/test/base64.js
deleted file mode 100644
index e4ecc56a9..000000000
--- a/node_modules/buffer/test/base64.js
+++ /dev/null
@@ -1,47 +0,0 @@
-if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
-var B = require('../').Buffer
-var test = require('tape')
-
-test('base64: ignore whitespace', function (t) {
-  var text = '\n   YW9ldQ==  '
-  var buf = new B(text, 'base64')
-  t.equal(buf.toString(), 'aoeu')
-  t.end()
-})
-
-test('base64: strings without padding', function (t) {
-  t.equal((new B('YW9ldQ', 'base64').toString()), 'aoeu')
-  t.end()
-})
-
-test('base64: newline in utf8 -- should not be an issue', function (t) {
-  t.equal(
-    new B('LS0tCnRpdGxlOiBUaHJlZSBkYXNoZXMgbWFya3MgdGhlIHNwb3QKdGFnczoK', 'base64').toString('utf8'),
-    '---\ntitle: Three dashes marks the spot\ntags:\n'
-  )
-  t.end()
-})
-
-test('base64: newline in base64 -- should get stripped', function (t) {
-  t.equal(
-    new B('LS0tCnRpdGxlOiBUaHJlZSBkYXNoZXMgbWFya3MgdGhlIHNwb3QKdGFnczoK\nICAtIHlhbWwKICAtIGZyb250LW1hdHRlcgogIC0gZGFzaGVzCmV4cGFuZWQt', 'base64').toString('utf8'),
-    '---\ntitle: Three dashes marks the spot\ntags:\n  - yaml\n  - front-matter\n  - dashes\nexpaned-'
-  )
-  t.end()
-})
-
-test('base64: tab characters in base64 - should get stripped', function (t) {
-  t.equal(
-    new B('LS0tCnRpdGxlOiBUaHJlZSBkYXNoZXMgbWFya3MgdGhlIHNwb3QKdGFnczoK\t\t\t\tICAtIHlhbWwKICAtIGZyb250LW1hdHRlcgogIC0gZGFzaGVzCmV4cGFuZWQt', 'base64').toString('utf8'),
-    '---\ntitle: Three dashes marks the spot\ntags:\n  - yaml\n  - front-matter\n  - dashes\nexpaned-'
-  )
-  t.end()
-})
-
-test('base64: invalid non-alphanumeric characters -- should be stripped', function (t) {
-  t.equal(
-    new B('!"#$%&\'()*,.:;<=>?@[\\]^`{|}~', 'base64').toString('utf8'),
-    ''
-  )
-  t.end()
-})
diff --git a/node_modules/buffer/test/basic.js b/node_modules/buffer/test/basic.js
deleted file mode 100644
index 0368ed919..000000000
--- a/node_modules/buffer/test/basic.js
+++ /dev/null
@@ -1,85 +0,0 @@
-if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
-var B = require('../').Buffer
-var test = require('tape')
-
-test('instanceof Buffer', function (t) {
-  var buf = new B([1, 2])
-  t.ok(buf instanceof B)
-  t.end()
-})
-
-test('convert to Uint8Array in modern browsers', function (t) {
-  if (B.TYPED_ARRAY_SUPPORT) {
-    var buf = new B([1, 2])
-    var uint8array = new Uint8Array(buf.buffer)
-    t.ok(uint8array instanceof Uint8Array)
-    t.equal(uint8array[0], 1)
-    t.equal(uint8array[1], 2)
-  } else {
-    t.pass('object impl: skipping test')
-  }
-  t.end()
-})
-
-test('indexes from a string', function (t) {
-  var buf = new B('abc')
-  t.equal(buf[0], 97)
-  t.equal(buf[1], 98)
-  t.equal(buf[2], 99)
-  t.end()
-})
-
-test('indexes from an array', function (t) {
-  var buf = new B([ 97, 98, 99 ])
-  t.equal(buf[0], 97)
-  t.equal(buf[1], 98)
-  t.equal(buf[2], 99)
-  t.end()
-})
-
-test('setting index value should modify buffer contents', function (t) {
-  var buf = new B([ 97, 98, 99 ])
-  t.equal(buf[2], 99)
-  t.equal(buf.toString(), 'abc')
-
-  buf[2] += 10
-  t.equal(buf[2], 109)
-  t.equal(buf.toString(), 'abm')
-  t.end()
-})
-
-test('storing negative number should cast to unsigned', function (t) {
-  var buf = new B(1)
-
-  if (B.TYPED_ARRAY_SUPPORT) {
-    // This does not work with the object implementation -- nothing we can do!
-    buf[0] = -3
-    t.equal(buf[0], 253)
-  }
-
-  buf = new B(1)
-  buf.writeInt8(-3, 0)
-  t.equal(buf[0], 253)
-
-  t.end()
-})
-
-test('test that memory is copied from array-like', function (t) {
-  if (B.TYPED_ARRAY_SUPPORT) {
-    var u = new Uint8Array(4)
-    var b = new B(u)
-    b[0] = 1
-    b[1] = 2
-    b[2] = 3
-    b[3] = 4
-
-    t.equal(u[0], 0)
-    t.equal(u[1], 0)
-    t.equal(u[2], 0)
-    t.equal(u[3], 0)
-  } else {
-    t.pass('object impl: skipping test')
-  }
-
-  t.end()
-})
diff --git a/node_modules/buffer/test/compare.js b/node_modules/buffer/test/compare.js
deleted file mode 100644
index 62b478c73..000000000
--- a/node_modules/buffer/test/compare.js
+++ /dev/null
@@ -1,59 +0,0 @@
-if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
-var B = require('../').Buffer
-var test = require('tape')
-
-test('buffer.compare', function (t) {
-  var b = new B(1).fill('a')
-  var c = new B(1).fill('c')
-  var d = new B(2).fill('aa')
-
-  t.equal(b.compare(c), -1)
-  t.equal(c.compare(d), 1)
-  t.equal(d.compare(b), 1)
-  t.equal(b.compare(d), -1)
-
-  // static method
-  t.equal(B.compare(b, c), -1)
-  t.equal(B.compare(c, d), 1)
-  t.equal(B.compare(d, b), 1)
-  t.equal(B.compare(b, d), -1)
-  t.end()
-})
-
-test('buffer.compare argument validation', function (t) {
-  t.throws(function () {
-    var b = new B(1)
-    B.compare(b, 'abc')
-  })
-
-  t.throws(function () {
-    var b = new B(1)
-    B.compare('abc', b)
-  })
-
-  t.throws(function () {
-    var b = new B(1)
-    b.compare('abc')
-  })
-  t.end()
-})
-
-test('buffer.equals', function (t) {
-  var b = new B(5).fill('abcdf')
-  var c = new B(5).fill('abcdf')
-  var d = new B(5).fill('abcde')
-  var e = new B(6).fill('abcdef')
-
-  t.ok(b.equals(c))
-  t.ok(!c.equals(d))
-  t.ok(!d.equals(e))
-  t.end()
-})
-
-test('buffer.equals argument validation', function (t) {
-  t.throws(function () {
-    var b = new B(1)
-    b.equals('abc')
-  })
-  t.end()
-})
diff --git a/node_modules/buffer/test/constructor.js b/node_modules/buffer/test/constructor.js
deleted file mode 100644
index cec5cdcbe..000000000
--- a/node_modules/buffer/test/constructor.js
+++ /dev/null
@@ -1,193 +0,0 @@
-if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
-var B = require('../').Buffer
-var test = require('tape')
-
-test('new buffer from array', function (t) {
-  t.equal(
-    new B([1, 2, 3]).toString(),
-    '\u0001\u0002\u0003'
-  )
-  t.end()
-})
-
-test('new buffer from array w/ negatives', function (t) {
-  t.equal(
-    new B([-1, -2, -3]).toString('hex'),
-    'fffefd'
-  )
-  t.end()
-})
-
-test('new buffer from array with mixed signed input', function (t) {
-  t.equal(
-    new B([-255, 255, -128, 128, 512, -512, 511, -511]).toString('hex'),
-    '01ff80800000ff01'
-  )
-  t.end()
-})
-
-test('new buffer from string', function (t) {
-  t.equal(
-    new B('hey', 'utf8').toString(),
-    'hey'
-  )
-  t.end()
-})
-
-test('new buffer from buffer', function (t) {
-  var b1 = new B('asdf')
-  var b2 = new B(b1)
-  t.equal(b1.toString('hex'), b2.toString('hex'))
-  t.end()
-})
-
-test('new buffer from ArrayBuffer', function (t) {
-  if (typeof ArrayBuffer !== 'undefined') {
-    var arraybuffer = new Uint8Array([0, 1, 2, 3]).buffer
-    var b = new B(arraybuffer)
-    t.equal(b.length, 4)
-    t.equal(b[0], 0)
-    t.equal(b[1], 1)
-    t.equal(b[2], 2)
-    t.equal(b[3], 3)
-    t.equal(b[4], undefined)
-  }
-  t.end()
-})
-
-test('new buffer from ArrayBuffer, shares memory', function (t) {
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    var u = new Uint8Array([0, 1, 2, 3])
-    var arraybuffer = u.buffer
-    var b = new B(arraybuffer)
-    t.equal(b.length, 4)
-    t.equal(b[0], 0)
-    t.equal(b[1], 1)
-    t.equal(b[2], 2)
-    t.equal(b[3], 3)
-    t.equal(b[4], undefined)
-
-    // changing the Uint8Array (and thus the ArrayBuffer), changes the Buffer
-    u[0] = 10
-    t.equal(b[0], 10)
-    u[1] = 11
-    t.equal(b[1], 11)
-    u[2] = 12
-    t.equal(b[2], 12)
-    u[3] = 13
-    t.equal(b[3], 13)
-  }
-  t.end()
-})
-
-test('new buffer from Uint8Array', function (t) {
-  if (typeof Uint8Array !== 'undefined') {
-    var b1 = new Uint8Array([0, 1, 2, 3])
-    var b2 = new B(b1)
-    t.equal(b1.length, b2.length)
-    t.equal(b1[0], 0)
-    t.equal(b1[1], 1)
-    t.equal(b1[2], 2)
-    t.equal(b1[3], 3)
-    t.equal(b1[4], undefined)
-  }
-  t.end()
-})
-
-test('new buffer from Uint16Array', function (t) {
-  if (typeof Uint16Array !== 'undefined') {
-    var b1 = new Uint16Array([0, 1, 2, 3])
-    var b2 = new B(b1)
-    t.equal(b1.length, b2.length)
-    t.equal(b1[0], 0)
-    t.equal(b1[1], 1)
-    t.equal(b1[2], 2)
-    t.equal(b1[3], 3)
-    t.equal(b1[4], undefined)
-  }
-  t.end()
-})
-
-test('new buffer from Uint32Array', function (t) {
-  if (typeof Uint32Array !== 'undefined') {
-    var b1 = new Uint32Array([0, 1, 2, 3])
-    var b2 = new B(b1)
-    t.equal(b1.length, b2.length)
-    t.equal(b1[0], 0)
-    t.equal(b1[1], 1)
-    t.equal(b1[2], 2)
-    t.equal(b1[3], 3)
-    t.equal(b1[4], undefined)
-  }
-  t.end()
-})
-
-test('new buffer from Int16Array', function (t) {
-  if (typeof Int16Array !== 'undefined') {
-    var b1 = new Int16Array([0, 1, 2, 3])
-    var b2 = new B(b1)
-    t.equal(b1.length, b2.length)
-    t.equal(b1[0], 0)
-    t.equal(b1[1], 1)
-    t.equal(b1[2], 2)
-    t.equal(b1[3], 3)
-    t.equal(b1[4], undefined)
-  }
-  t.end()
-})
-
-test('new buffer from Int32Array', function (t) {
-  if (typeof Int32Array !== 'undefined') {
-    var b1 = new Int32Array([0, 1, 2, 3])
-    var b2 = new B(b1)
-    t.equal(b1.length, b2.length)
-    t.equal(b1[0], 0)
-    t.equal(b1[1], 1)
-    t.equal(b1[2], 2)
-    t.equal(b1[3], 3)
-    t.equal(b1[4], undefined)
-  }
-  t.end()
-})
-
-test('new buffer from Float32Array', function (t) {
-  if (typeof Float32Array !== 'undefined') {
-    var b1 = new Float32Array([0, 1, 2, 3])
-    var b2 = new B(b1)
-    t.equal(b1.length, b2.length)
-    t.equal(b1[0], 0)
-    t.equal(b1[1], 1)
-    t.equal(b1[2], 2)
-    t.equal(b1[3], 3)
-    t.equal(b1[4], undefined)
-  }
-  t.end()
-})
-
-test('new buffer from Float64Array', function (t) {
-  if (typeof Float64Array !== 'undefined') {
-    var b1 = new Float64Array([0, 1, 2, 3])
-    var b2 = new B(b1)
-    t.equal(b1.length, b2.length)
-    t.equal(b1[0], 0)
-    t.equal(b1[1], 1)
-    t.equal(b1[2], 2)
-    t.equal(b1[3], 3)
-    t.equal(b1[4], undefined)
-  }
-  t.end()
-})
-
-test('new buffer from buffer.toJSON() output', function (t) {
-  if (typeof JSON === 'undefined') {
-    // ie6, ie7 lack support
-    t.end()
-    return
-  }
-  var buf = new B('test')
-  var json = JSON.stringify(buf)
-  var obj = JSON.parse(json)
-  var copy = new B(obj)
-  t.ok(buf.equals(copy))
-  t.end()
-})
diff --git a/node_modules/buffer/test/from-string.js b/node_modules/buffer/test/from-string.js
deleted file mode 100644
index e25db2699..000000000
--- a/node_modules/buffer/test/from-string.js
+++ /dev/null
@@ -1,132 +0,0 @@
-if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
-var B = require('../').Buffer
-var test = require('tape')
-
-test('detect utf16 surrogate pairs', function (t) {
-  var text = '\uD83D\uDE38' + '\uD83D\uDCAD' + '\uD83D\uDC4D'
-  var buf = new B(text)
-  t.equal(text, buf.toString())
-  t.end()
-})
-
-test('detect utf16 surrogate pairs over U+20000 until U+10FFFF', function (t) {
-  var text = '\uD842\uDFB7' + '\uD93D\uDCAD' + '\uDBFF\uDFFF'
-  var buf = new B(text)
-  t.equal(text, buf.toString())
-  t.end()
-})
-
-test('replace orphaned utf16 surrogate lead code point', function (t) {
-  var text = '\uD83D\uDE38' + '\uD83D' + '\uD83D\uDC4D'
-  var buf = new B(text)
-  t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0xef, 0xbf, 0xbd, 0xf0, 0x9f, 0x91, 0x8d ]))
-  t.end()
-})
-
-test('replace orphaned utf16 surrogate trail code point', function (t) {
-  var text = '\uD83D\uDE38' + '\uDCAD' + '\uD83D\uDC4D'
-  var buf = new B(text)
-  t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0xef, 0xbf, 0xbd, 0xf0, 0x9f, 0x91, 0x8d ]))
-  t.end()
-})
-
-test('do not write partial utf16 code units', function (t) {
-  var f = new B([0, 0, 0, 0, 0])
-  t.equal(f.length, 5)
-  var size = f.write('あいうえお', 'utf16le')
-  t.equal(size, 4)
-  t.deepEqual(f, new B([0x42, 0x30, 0x44, 0x30, 0x00]))
-  t.end()
-})
-
-test('handle partial utf16 code points when encoding to utf8 the way node does', function (t) {
-  var text = '\uD83D\uDE38' + '\uD83D\uDC4D'
-
-  var buf = new B(8)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0xf0, 0x9f, 0x91, 0x8d ]))
-
-  buf = new B(7)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0x00, 0x00, 0x00 ]))
-
-  buf = new B(6)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0x00, 0x00 ]))
-
-  buf = new B(5)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8, 0x00 ]))
-
-  buf = new B(4)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0xf0, 0x9f, 0x98, 0xb8 ]))
-
-  buf = new B(3)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0x00, 0x00, 0x00 ]))
-
-  buf = new B(2)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0x00, 0x00 ]))
-
-  buf = new B(1)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0x00 ]))
-
-  t.end()
-})
-
-test('handle invalid utf16 code points when encoding to utf8 the way node does', function (t) {
-  var text = 'a' + '\uDE38\uD83D' + 'b'
-
-  var buf = new B(8)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0x61, 0xef, 0xbf, 0xbd, 0xef, 0xbf, 0xbd, 0x62 ]))
-
-  buf = new B(7)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0x61, 0xef, 0xbf, 0xbd, 0xef, 0xbf, 0xbd ]))
-
-  buf = new B(6)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0x61, 0xef, 0xbf, 0xbd, 0x00, 0x00 ]))
-
-  buf = new B(5)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0x61, 0xef, 0xbf, 0xbd, 0x00 ]))
-
-  buf = new B(4)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0x61, 0xef, 0xbf, 0xbd ]))
-
-  buf = new B(3)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0x61, 0x00, 0x00 ]))
-
-  buf = new B(2)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0x61, 0x00 ]))
-
-  buf = new B(1)
-  buf.fill(0)
-  buf.write(text)
-  t.deepEqual(buf, new B([ 0x61 ]))
-
-  t.end()
-})
diff --git a/node_modules/buffer/test/is-buffer.js b/node_modules/buffer/test/is-buffer.js
deleted file mode 100644
index 3744b23a7..000000000
--- a/node_modules/buffer/test/is-buffer.js
+++ /dev/null
@@ -1,22 +0,0 @@
-if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
-var B = require('../').Buffer
-var isBuffer = require('is-buffer')
-var test = require('tape')
-
-test('is-buffer tests', function (t) {
-  t.ok(isBuffer(new B(4)), 'new Buffer(4)')
-
-  t.notOk(isBuffer(undefined), 'undefined')
-  t.notOk(isBuffer(null), 'null')
-  t.notOk(isBuffer(''), 'empty string')
-  t.notOk(isBuffer(true), 'true')
-  t.notOk(isBuffer(false), 'false')
-  t.notOk(isBuffer(0), '0')
-  t.notOk(isBuffer(1), '1')
-  t.notOk(isBuffer(1.0), '1.0')
-  t.notOk(isBuffer('string'), 'string')
-  t.notOk(isBuffer({}), '{}')
-  t.notOk(isBuffer(function foo () {}), 'function foo () {}')
-
-  t.end()
-})
diff --git a/node_modules/buffer/test/methods.js b/node_modules/buffer/test/methods.js
deleted file mode 100644
index f4bd3f213..000000000
--- a/node_modules/buffer/test/methods.js
+++ /dev/null
@@ -1,127 +0,0 @@
-if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
-var B = require('../').Buffer
-var test = require('tape')
-
-test('buffer.toJSON', function (t) {
-  var data = [1, 2, 3, 4]
-  t.deepEqual(
-    new B(data).toJSON(),
-    { type: 'Buffer', data: [ 1, 2, 3, 4 ] }
-  )
-  t.end()
-})
-
-test('buffer.copy', function (t) {
-  // copied from nodejs.org example
-  var buf1 = new B(26)
-  var buf2 = new B(26)
-
-  for (var i = 0; i < 26; i++) {
-    buf1[i] = i + 97 // 97 is ASCII a
-    buf2[i] = 33 // ASCII !
-  }
-
-  buf1.copy(buf2, 8, 16, 20)
-
-  t.equal(
-    buf2.toString('ascii', 0, 25),
-    '!!!!!!!!qrst!!!!!!!!!!!!!'
-  )
-  t.end()
-})
-
-test('test offset returns are correct', function (t) {
-  var b = new B(16)
-  t.equal(4, b.writeUInt32LE(0, 0))
-  t.equal(6, b.writeUInt16LE(0, 4))
-  t.equal(7, b.writeUInt8(0, 6))
-  t.equal(8, b.writeInt8(0, 7))
-  t.equal(16, b.writeDoubleLE(0, 8))
-  t.end()
-})
-
-test('concat() a varying number of buffers', function (t) {
-  var zero = []
-  var one = [ new B('asdf') ]
-  var long = []
-  for (var i = 0; i < 10; i++) {
-    long.push(new B('asdf'))
-  }
-
-  var flatZero = B.concat(zero)
-  var flatOne = B.concat(one)
-  var flatLong = B.concat(long)
-  var flatLongLen = B.concat(long, 40)
-
-  t.equal(flatZero.length, 0)
-  t.equal(flatOne.toString(), 'asdf')
-  t.deepEqual(flatOne, one[0])
-  t.equal(flatLong.toString(), (new Array(10 + 1).join('asdf')))
-  t.equal(flatLongLen.toString(), (new Array(10 + 1).join('asdf')))
-  t.end()
-})
-
-test('fill', function (t) {
-  var b = new B(10)
-  b.fill(2)
-  t.equal(b.toString('hex'), '02020202020202020202')
-  t.end()
-})
-
-test('fill (string)', function (t) {
-  var b = new B(10)
-  b.fill('abc')
-  t.equal(b.toString(), 'abcabcabca')
-  b.fill('է')
-  t.equal(b.toString(), 'էէէէէ')
-  t.end()
-})
-
-test('copy() empty buffer with sourceEnd=0', function (t) {
-  var source = new B([42])
-  var destination = new B([43])
-  source.copy(destination, 0, 0, 0)
-  t.equal(destination.readUInt8(0), 43)
-  t.end()
-})
-
-test('copy() after slice()', function (t) {
-  var source = new B(200)
-  var dest = new B(200)
-  var expected = new B(200)
-  for (var i = 0; i < 200; i++) {
-    source[i] = i
-    dest[i] = 0
-  }
-
-  source.slice(2).copy(dest)
-  source.copy(expected, 0, 2)
-  t.deepEqual(dest, expected)
-  t.end()
-})
-
-test('copy() ascending', function (t) {
-  var b = new B('abcdefghij')
-  b.copy(b, 0, 3, 10)
-  t.equal(b.toString(), 'defghijhij')
-  t.end()
-})
-
-test('copy() descending', function (t) {
-  var b = new B('abcdefghij')
-  b.copy(b, 3, 0, 7)
-  t.equal(b.toString(), 'abcabcdefg')
-  t.end()
-})
-
-test('buffer.slice sets indexes', function (t) {
-  t.equal((new B('hallo')).slice(0, 5).toString(), 'hallo')
-  t.end()
-})
-
-test('buffer.slice out of range', function (t) {
-  t.plan(2)
-  t.equal((new B('hallo')).slice(0, 10).toString(), 'hallo')
-  t.equal((new B('hallo')).slice(10, 2).toString(), '')
-  t.end()
-})
diff --git a/node_modules/buffer/test/node/test-buffer-alloc.js b/node_modules/buffer/test/node/test-buffer-alloc.js
deleted file mode 100644
index b524f51ef..000000000
--- a/node_modules/buffer/test/node/test-buffer-alloc.js
+++ /dev/null
@@ -1,1501 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-var common = { skip: function () {} };
-var assert = require('assert');
-
-var Buffer = require('../../').Buffer;
-
-// counter to ensure unique value is always copied
-var cntr = 0;
-
-var b = Buffer.allocUnsafe(1024);
-
-// console.log('b.length == %d', b.length);
-assert.strictEqual(1024, b.length);
-
-b[0] = -1;
-assert.strictEqual(b[0], 255);
-
-for (var i = 0; i < 1024; i++) {
-  b[i] = i % 256;
-}
-
-for (var i = 0; i < 1024; i++) {
-  assert.strictEqual(i % 256, b[i]);
-}
-
-var c = Buffer.allocUnsafe(512);
-// console.log('c.length == %d', c.length);
-assert.strictEqual(512, c.length);
-
-var d = Buffer.from([]);
-assert.strictEqual(0, d.length);
-
-var ui32 = new Uint32Array(4).fill(42);
-var e = Buffer.from(ui32);
-for (var [index, value] of e.entries()) {
-  assert.strictEqual(value, ui32[index]);
-}
-
-// First check Buffer#fill() works as expected.
-
-assert.throws(function() {
-  Buffer.allocUnsafe(8).fill('a', -1);
-});
-
-assert.throws(function() {
-  Buffer.allocUnsafe(8).fill('a', 0, 9);
-});
-
-// Make sure this doesn't hang indefinitely.
-Buffer.allocUnsafe(8).fill('');
-Buffer.alloc(8, '');
-
-{
-  var buf = Buffer.alloc(64, 10);
-  for (var i = 0; i < buf.length; i++)
-    assert.equal(buf[i], 10);
-
-  buf.fill(11, 0, buf.length >> 1);
-  for (var i = 0; i < buf.length >> 1; i++)
-    assert.equal(buf[i], 11);
-  for (var i = (buf.length >> 1) + 1; i < buf.length; i++)
-    assert.equal(buf[i], 10);
-
-  buf.fill('h');
-  for (var i = 0; i < buf.length; i++)
-    assert.equal('h'.charCodeAt(0), buf[i]);
-
-  buf.fill(0);
-  for (var i = 0; i < buf.length; i++)
-    assert.equal(0, buf[i]);
-
-  buf.fill(null);
-  for (var i = 0; i < buf.length; i++)
-    assert.equal(0, buf[i]);
-
-  buf.fill(1, 16, 32);
-  for (var i = 0; i < 16; i++)
-    assert.equal(0, buf[i]);
-  for (var i = 16; i < 32; i++)
-    assert.equal(1, buf[i]);
-  for (var i = 32; i < buf.length; i++)
-    assert.equal(0, buf[i]);
-}
-
-{
-  var buf = Buffer.alloc(10, 'abc');
-  assert.equal(buf.toString(), 'abcabcabca');
-  buf.fill('է');
-  assert.equal(buf.toString(), 'էէէէէ');
-}
-
-{
-  // copy 512 bytes, from 0 to 512.
-  b.fill(++cntr);
-  c.fill(++cntr);
-  var copied = b.copy(c, 0, 0, 512);
-//   console.log('copied %d bytes from b into c', copied);
-  assert.strictEqual(512, copied);
-  for (var i = 0; i < c.length; i++) {
-    assert.strictEqual(b[i], c[i]);
-  }
-}
-
-{
-  // copy c into b, without specifying sourceEnd
-  b.fill(++cntr);
-  c.fill(++cntr);
-  var copied = c.copy(b, 0, 0);
-//   console.log('copied %d bytes from c into b w/o sourceEnd', copied);
-  assert.strictEqual(c.length, copied);
-  for (var i = 0; i < c.length; i++) {
-    assert.strictEqual(c[i], b[i]);
-  }
-}
-
-{
-  // copy c into b, without specifying sourceStart
-  b.fill(++cntr);
-  c.fill(++cntr);
-  var copied = c.copy(b, 0);
-//   console.log('copied %d bytes from c into b w/o sourceStart', copied);
-  assert.strictEqual(c.length, copied);
-  for (var i = 0; i < c.length; i++) {
-    assert.strictEqual(c[i], b[i]);
-  }
-}
-
-{
-  // copy longer buffer b to shorter c without targetStart
-  b.fill(++cntr);
-  c.fill(++cntr);
-  var copied = b.copy(c);
-//   console.log('copied %d bytes from b into c w/o targetStart', copied);
-  assert.strictEqual(c.length, copied);
-  for (var i = 0; i < c.length; i++) {
-    assert.strictEqual(b[i], c[i]);
-  }
-}
-
-{
-  // copy starting near end of b to c
-  b.fill(++cntr);
-  c.fill(++cntr);
-  var copied = b.copy(c, 0, b.length - Math.floor(c.length / 2));
-//   console.log('copied %d bytes from end of b into beginning of c', copied);
-  assert.strictEqual(Math.floor(c.length / 2), copied);
-  for (var i = 0; i < Math.floor(c.length / 2); i++) {
-    assert.strictEqual(b[b.length - Math.floor(c.length / 2) + i], c[i]);
-  }
-  for (var i = Math.floor(c.length / 2) + 1; i < c.length; i++) {
-    assert.strictEqual(c[c.length - 1], c[i]);
-  }
-}
-
-{
-  // try to copy 513 bytes, and check we don't overrun c
-  b.fill(++cntr);
-  c.fill(++cntr);
-  var copied = b.copy(c, 0, 0, 513);
-//   console.log('copied %d bytes from b trying to overrun c', copied);
-  assert.strictEqual(c.length, copied);
-  for (var i = 0; i < c.length; i++) {
-    assert.strictEqual(b[i], c[i]);
-  }
-}
-
-{
-  // copy 768 bytes from b into b
-  b.fill(++cntr);
-  b.fill(++cntr, 256);
-  var copied = b.copy(b, 0, 256, 1024);
-//   console.log('copied %d bytes from b into b', copied);
-  assert.strictEqual(768, copied);
-  for (var i = 0; i < b.length; i++) {
-    assert.strictEqual(cntr, b[i]);
-  }
-}
-
-// copy string longer than buffer length (failure will segfault)
-var bb = Buffer.allocUnsafe(10);
-bb.fill('hello crazy world');
-
-
-// try to copy from before the beginning of b
-assert.doesNotThrow(() => { b.copy(c, 0, 100, 10); });
-
-// copy throws at negative sourceStart
-assert.throws(function() {
-  Buffer.allocUnsafe(5).copy(Buffer.allocUnsafe(5), 0, -1);
-}, RangeError);
-
-{
-  // check sourceEnd resets to targetEnd if former is greater than the latter
-  b.fill(++cntr);
-  c.fill(++cntr);
-  var copied = b.copy(c, 0, 0, 1025);
-//   console.log('copied %d bytes from b into c', copied);
-  for (var i = 0; i < c.length; i++) {
-    assert.strictEqual(b[i], c[i]);
-  }
-}
-
-// throw with negative sourceEnd
-// console.log('test copy at negative sourceEnd');
-assert.throws(function() {
-  b.copy(c, 0, 0, -1);
-}, RangeError);
-
-// when sourceStart is greater than sourceEnd, zero copied
-assert.equal(b.copy(c, 0, 100, 10), 0);
-
-// when targetStart > targetLength, zero copied
-assert.equal(b.copy(c, 512, 0, 10), 0);
-
-var caught_error;
-
-// invalid encoding for Buffer.toString
-caught_error = null;
-try {
-  b.toString('invalid');
-} catch (err) {
-  caught_error = err;
-}
-assert.strictEqual('Unknown encoding: invalid', caught_error.message);
-
-// invalid encoding for Buffer.write
-caught_error = null;
-try {
-  b.write('test string', 0, 5, 'invalid');
-} catch (err) {
-  caught_error = err;
-}
-assert.strictEqual('Unknown encoding: invalid', caught_error.message);
-
-// try to create 0-length buffers
-Buffer.from('');
-Buffer.from('', 'ascii');
-Buffer.from('', 'latin1');
-Buffer.alloc(0);
-Buffer.allocUnsafe(0);
-
-// try to write a 0-length string beyond the end of b
-assert.throws(function() {
-  b.write('', 2048);
-}, RangeError);
-
-// throw when writing to negative offset
-assert.throws(function() {
-  b.write('a', -1);
-}, RangeError);
-
-// throw when writing past bounds from the pool
-assert.throws(function() {
-  b.write('a', 2048);
-}, RangeError);
-
-// throw when writing to negative offset
-assert.throws(function() {
-  b.write('a', -1);
-}, RangeError);
-
-// try to copy 0 bytes worth of data into an empty buffer
-b.copy(Buffer.alloc(0), 0, 0, 0);
-
-// try to copy 0 bytes past the end of the target buffer
-b.copy(Buffer.alloc(0), 1, 1, 1);
-b.copy(Buffer.alloc(1), 1, 1, 1);
-
-// try to copy 0 bytes from past the end of the source buffer
-b.copy(Buffer.alloc(1), 0, 2048, 2048);
-
-var rangeBuffer = Buffer.from('abc');
-
-// if start >= buffer's length, empty string will be returned
-assert.equal(rangeBuffer.toString('ascii', 3), '');
-assert.equal(rangeBuffer.toString('ascii', +Infinity), '');
-assert.equal(rangeBuffer.toString('ascii', 3.14, 3), '');
-assert.equal(rangeBuffer.toString('ascii', 'Infinity', 3), '');
-
-// if end <= 0, empty string will be returned
-assert.equal(rangeBuffer.toString('ascii', 1, 0), '');
-assert.equal(rangeBuffer.toString('ascii', 1, -1.2), '');
-assert.equal(rangeBuffer.toString('ascii', 1, -100), '');
-assert.equal(rangeBuffer.toString('ascii', 1, -Infinity), '');
-
-// if start < 0, start will be taken as zero
-assert.equal(rangeBuffer.toString('ascii', -1, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', -1.99, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', -Infinity, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '-1', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '-1.99', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '-Infinity', 3), 'abc');
-
-// if start is an invalid integer, start will be taken as zero
-assert.equal(rangeBuffer.toString('ascii', 'node.js', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', {}, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', [], 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', NaN, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', null, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', undefined, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', false, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '', 3), 'abc');
-
-// but, if start is an integer when coerced, then it will be coerced and used.
-assert.equal(rangeBuffer.toString('ascii', '-1', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '1', 3), 'bc');
-assert.equal(rangeBuffer.toString('ascii', '-Infinity', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '3', 3), '');
-assert.equal(rangeBuffer.toString('ascii', Number(3), 3), '');
-assert.equal(rangeBuffer.toString('ascii', '3.14', 3), '');
-assert.equal(rangeBuffer.toString('ascii', '1.99', 3), 'bc');
-assert.equal(rangeBuffer.toString('ascii', '-1.99', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 1.99, 3), 'bc');
-assert.equal(rangeBuffer.toString('ascii', true, 3), 'bc');
-
-// if end > buffer's length, end will be taken as buffer's length
-assert.equal(rangeBuffer.toString('ascii', 0, 5), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, 6.99), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, Infinity), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, '5'), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, '6.99'), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, 'Infinity'), 'abc');
-
-// if end is an invalid integer, end will be taken as buffer's length
-assert.equal(rangeBuffer.toString('ascii', 0, 'node.js'), '');
-assert.equal(rangeBuffer.toString('ascii', 0, {}), '');
-assert.equal(rangeBuffer.toString('ascii', 0, NaN), '');
-assert.equal(rangeBuffer.toString('ascii', 0, undefined), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, null), '');
-assert.equal(rangeBuffer.toString('ascii', 0, []), '');
-assert.equal(rangeBuffer.toString('ascii', 0, false), '');
-assert.equal(rangeBuffer.toString('ascii', 0, ''), '');
-
-// but, if end is an integer when coerced, then it will be coerced and used.
-assert.equal(rangeBuffer.toString('ascii', 0, '-1'), '');
-assert.equal(rangeBuffer.toString('ascii', 0, '1'), 'a');
-assert.equal(rangeBuffer.toString('ascii', 0, '-Infinity'), '');
-assert.equal(rangeBuffer.toString('ascii', 0, '3'), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, Number(3)), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, '3.14'), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, '1.99'), 'a');
-assert.equal(rangeBuffer.toString('ascii', 0, '-1.99'), '');
-assert.equal(rangeBuffer.toString('ascii', 0, 1.99), 'a');
-assert.equal(rangeBuffer.toString('ascii', 0, true), 'a');
-
-// try toString() with a object as a encoding
-assert.equal(rangeBuffer.toString({toString: function() {
-  return 'ascii';
-}}), 'abc');
-
-// testing for smart defaults and ability to pass string values as offset
-var writeTest = Buffer.from('abcdes');
-writeTest.write('n', 'ascii');
-writeTest.write('o', '1', 'ascii');
-writeTest.write('d', '2', 'ascii');
-writeTest.write('e', 3, 'ascii');
-writeTest.write('j', 4, 'ascii');
-assert.equal(writeTest.toString(), 'nodejs');
-
-// ASCII slice test
-{
-  var asciiString = 'hello world';
-
-  for (var i = 0; i < asciiString.length; i++) {
-    b[i] = asciiString.charCodeAt(i);
-  }
-  var asciiSlice = b.toString('ascii', 0, asciiString.length);
-  assert.equal(asciiString, asciiSlice);
-}
-
-{
-  var asciiString = 'hello world';
-  var offset = 100;
-
-  var written = b.write(asciiString, offset, 'ascii');
-  assert.equal(asciiString.length, written);
-  var asciiSlice = b.toString('ascii', offset, offset + asciiString.length);
-  assert.equal(asciiString, asciiSlice);
-}
-
-{
-  var asciiString = 'hello world';
-  var offset = 100;
-
-  var sliceA = b.slice(offset, offset + asciiString.length);
-  var sliceB = b.slice(offset, offset + asciiString.length);
-  for (var i = 0; i < asciiString.length; i++) {
-    assert.equal(sliceA[i], sliceB[i]);
-  }
-}
-
-// UTF-8 slice test
-
-var utf8String = '¡hέlló wôrld!';
-var offset = 100;
-
-b.write(utf8String, 0, Buffer.byteLength(utf8String), 'utf8');
-var utf8Slice = b.toString('utf8', 0, Buffer.byteLength(utf8String));
-assert.equal(utf8String, utf8Slice);
-
-var written = b.write(utf8String, offset, 'utf8');
-assert.equal(Buffer.byteLength(utf8String), written);
-utf8Slice = b.toString('utf8', offset, offset + Buffer.byteLength(utf8String));
-assert.equal(utf8String, utf8Slice);
-
-var sliceA = b.slice(offset, offset + Buffer.byteLength(utf8String));
-var sliceB = b.slice(offset, offset + Buffer.byteLength(utf8String));
-for (var i = 0; i < Buffer.byteLength(utf8String); i++) {
-  assert.equal(sliceA[i], sliceB[i]);
-}
-
-{
-  var slice = b.slice(100, 150);
-  assert.equal(50, slice.length);
-  for (var i = 0; i < 50; i++) {
-    assert.equal(b[100 + i], slice[i]);
-  }
-}
-
-{
-  // make sure only top level parent propagates from allocPool
-  var b = Buffer.allocUnsafe(5);
-  var c = b.slice(0, 4);
-  var d = c.slice(0, 2);
-  assert.equal(b.parent, c.parent);
-  assert.equal(b.parent, d.parent);
-}
-
-{
-  // also from a non-pooled instance
-  var b = Buffer.allocUnsafeSlow(5);
-  var c = b.slice(0, 4);
-  var d = c.slice(0, 2);
-  assert.equal(c.parent, d.parent);
-}
-
-{
-  // Bug regression test
-  var testValue = '\u00F6\u65E5\u672C\u8A9E'; // ö日本語
-  var buffer = Buffer.allocUnsafe(32);
-  var size = buffer.write(testValue, 0, 'utf8');
-//   console.log('bytes written to buffer: ' + size);
-  var slice = buffer.toString('utf8', 0, size);
-  assert.equal(slice, testValue);
-}
-
-{
-  // Test triple  slice
-  var a = Buffer.allocUnsafe(8);
-  for (var i = 0; i < 8; i++) a[i] = i;
-  var b = a.slice(4, 8);
-  assert.equal(4, b[0]);
-  assert.equal(5, b[1]);
-  assert.equal(6, b[2]);
-  assert.equal(7, b[3]);
-  var c = b.slice(2, 4);
-  assert.equal(6, c[0]);
-  assert.equal(7, c[1]);
-}
-
-{
-  var d = Buffer.from([23, 42, 255]);
-  assert.equal(d.length, 3);
-  assert.equal(d[0], 23);
-  assert.equal(d[1], 42);
-  assert.equal(d[2], 255);
-  assert.deepStrictEqual(d, Buffer.from(d));
-}
-
-{
-  var e = Buffer.from('über');
-//   console.error('uber: \'%s\'', e.toString());
-  assert.deepStrictEqual(e, Buffer.from([195, 188, 98, 101, 114]));
-}
-
-{
-  var f = Buffer.from('über', 'ascii');
-//   console.error('f.length: %d     (should be 4)', f.length);
-  assert.deepStrictEqual(f, Buffer.from([252, 98, 101, 114]));
-}
-
-['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
-  {
-    var f = Buffer.from('über', encoding);
-//     console.error('f.length: %d     (should be 8)', f.length);
-    assert.deepStrictEqual(f, Buffer.from([252, 0, 98, 0, 101, 0, 114, 0]));
-  }
-
-  {
-    var f = Buffer.from('привет', encoding);
-//     console.error('f.length: %d     (should be 12)', f.length);
-    assert.deepStrictEqual(f,
-      Buffer.from([63, 4, 64, 4, 56, 4, 50, 4, 53, 4, 66, 4]));
-    assert.equal(f.toString(encoding), 'привет');
-  }
-
-  {
-    var f = Buffer.from([0, 0, 0, 0, 0]);
-    assert.equal(f.length, 5);
-    var size = f.write('あいうえお', encoding);
-//     console.error('bytes written to buffer: %d     (should be 4)', size);
-    assert.equal(size, 4);
-    assert.deepStrictEqual(f, Buffer.from([0x42, 0x30, 0x44, 0x30, 0x00]));
-  }
-});
-
-{
-  var f = Buffer.from('\uD83D\uDC4D', 'utf-16le'); // THUMBS UP SIGN (U+1F44D)
-  assert.equal(f.length, 4);
-  assert.deepStrictEqual(f, Buffer.from('3DD84DDC', 'hex'));
-}
-
-
-var arrayIsh = {0: 0, 1: 1, 2: 2, 3: 3, length: 4};
-var g = Buffer.from(arrayIsh);
-assert.deepStrictEqual(g, Buffer.from([0, 1, 2, 3]));
-var strArrayIsh = {0: '0', 1: '1', 2: '2', 3: '3', length: 4};
-g = Buffer.from(strArrayIsh);
-assert.deepStrictEqual(g, Buffer.from([0, 1, 2, 3]));
-
-
-//
-// Test toString('base64')
-//
-assert.equal('TWFu', (Buffer.from('Man')).toString('base64'));
-
-{
-  // test that regular and URL-safe base64 both work
-  var expected = [0xff, 0xff, 0xbe, 0xff, 0xef, 0xbf, 0xfb, 0xef, 0xff];
-  assert.deepStrictEqual(Buffer.from('//++/++/++//', 'base64'),
-                         Buffer.from(expected));
-  assert.deepStrictEqual(Buffer.from('__--_--_--__', 'base64'),
-                         Buffer.from(expected));
-}
-
-{
-  // big example
-  var quote = 'Man is distinguished, not only by his reason, but by this ' +
-                'singular passion from other animals, which is a lust ' +
-                'of the mind, that by a perseverance of delight in the ' +
-                'continued and indefatigable generation of knowledge, ' +
-                'exceeds the short vehemence of any carnal pleasure.';
-  var expected = 'TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb' +
-                   '24sIGJ1dCBieSB0aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlci' +
-                   'BhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2YgdGhlIG1pbmQsIHRoYXQ' +
-                   'gYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu' +
-                   'dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZ' +
-                   'GdlLCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm' +
-                   '5hbCBwbGVhc3VyZS4=';
-  assert.equal(expected, (Buffer.from(quote)).toString('base64'));
-
-  var b = Buffer.allocUnsafe(1024);
-  var bytesWritten = b.write(expected, 0, 'base64');
-  assert.equal(quote.length, bytesWritten);
-  assert.equal(quote, b.toString('ascii', 0, quote.length));
-
-  // check that the base64 decoder ignores whitespace
-  var expectedWhite = expected.slice(0, 60) + ' \n' +
-                        expected.slice(60, 120) + ' \n' +
-                        expected.slice(120, 180) + ' \n' +
-                        expected.slice(180, 240) + ' \n' +
-                        expected.slice(240, 300) + '\n' +
-                        expected.slice(300, 360) + '\n';
-  b = Buffer.allocUnsafe(1024);
-  bytesWritten = b.write(expectedWhite, 0, 'base64');
-  assert.equal(quote.length, bytesWritten);
-  assert.equal(quote, b.toString('ascii', 0, quote.length));
-
-  // check that the base64 decoder on the constructor works
-  // even in the presence of whitespace.
-  b = Buffer.from(expectedWhite, 'base64');
-  assert.equal(quote.length, b.length);
-  assert.equal(quote, b.toString('ascii', 0, quote.length));
-
-  // check that the base64 decoder ignores illegal chars
-  var expectedIllegal = expected.slice(0, 60) + ' \x80' +
-                          expected.slice(60, 120) + ' \xff' +
-                          expected.slice(120, 180) + ' \x00' +
-                          expected.slice(180, 240) + ' \x98' +
-                          expected.slice(240, 300) + '\x03' +
-                          expected.slice(300, 360);
-  b = Buffer.from(expectedIllegal, 'base64');
-  assert.equal(quote.length, b.length);
-  assert.equal(quote, b.toString('ascii', 0, quote.length));
-}
-
-assert.equal(Buffer.from('', 'base64').toString(), '');
-assert.equal(Buffer.from('K', 'base64').toString(), '');
-
-// multiple-of-4 with padding
-assert.equal(Buffer.from('Kg==', 'base64').toString(), '*');
-assert.equal(Buffer.from('Kio=', 'base64').toString(), '**');
-assert.equal(Buffer.from('Kioq', 'base64').toString(), '***');
-assert.equal(Buffer.from('KioqKg==', 'base64').toString(), '****');
-assert.equal(Buffer.from('KioqKio=', 'base64').toString(), '*****');
-assert.equal(Buffer.from('KioqKioq', 'base64').toString(), '******');
-assert.equal(Buffer.from('KioqKioqKg==', 'base64').toString(), '*******');
-assert.equal(Buffer.from('KioqKioqKio=', 'base64').toString(), '********');
-assert.equal(Buffer.from('KioqKioqKioq', 'base64').toString(), '*********');
-assert.equal(Buffer.from('KioqKioqKioqKg==', 'base64').toString(),
-             '**********');
-assert.equal(Buffer.from('KioqKioqKioqKio=', 'base64').toString(),
-             '***********');
-assert.equal(Buffer.from('KioqKioqKioqKioq', 'base64').toString(),
-             '************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKg==', 'base64').toString(),
-             '*************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKio=', 'base64').toString(),
-             '**************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioq', 'base64').toString(),
-             '***************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKg==', 'base64').toString(),
-             '****************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKio=', 'base64').toString(),
-             '*****************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKioq', 'base64').toString(),
-             '******************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKioqKg==', 'base64').toString(),
-             '*******************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKioqKio=', 'base64').toString(),
-             '********************');
-
-// no padding, not a multiple of 4
-assert.equal(Buffer.from('Kg', 'base64').toString(), '*');
-assert.equal(Buffer.from('Kio', 'base64').toString(), '**');
-assert.equal(Buffer.from('KioqKg', 'base64').toString(), '****');
-assert.equal(Buffer.from('KioqKio', 'base64').toString(), '*****');
-assert.equal(Buffer.from('KioqKioqKg', 'base64').toString(), '*******');
-assert.equal(Buffer.from('KioqKioqKio', 'base64').toString(), '********');
-assert.equal(Buffer.from('KioqKioqKioqKg', 'base64').toString(), '**********');
-assert.equal(Buffer.from('KioqKioqKioqKio', 'base64').toString(),
-             '***********');
-assert.equal(Buffer.from('KioqKioqKioqKioqKg', 'base64').toString(),
-             '*************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKio', 'base64').toString(),
-             '**************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKg', 'base64').toString(),
-             '****************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKio', 'base64').toString(),
-             '*****************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKioqKg', 'base64').toString(),
-             '*******************');
-assert.equal(Buffer.from('KioqKioqKioqKioqKioqKioqKio', 'base64').toString(),
-             '********************');
-
-// handle padding graciously, multiple-of-4 or not
-assert.equal(
-  Buffer.from('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw==', 'base64').length,
-  32
-);
-assert.equal(
-  Buffer.from('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw=', 'base64').length,
-  32
-);
-assert.equal(
-  Buffer.from('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw', 'base64').length,
-  32
-);
-assert.equal(
-  Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg==', 'base64').length,
-  31
-);
-assert.equal(
-  Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg=', 'base64').length,
-  31
-);
-assert.equal(
-  Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg', 'base64').length,
-  31
-);
-
-// This string encodes single '.' character in UTF-16
-var dot = Buffer.from('//4uAA==', 'base64');
-assert.equal(dot[0], 0xff);
-assert.equal(dot[1], 0xfe);
-assert.equal(dot[2], 0x2e);
-assert.equal(dot[3], 0x00);
-assert.equal(dot.toString('base64'), '//4uAA==');
-
-{
-  // Writing base64 at a position > 0 should not mangle the result.
-  //
-  // https://github.com/joyent/node/issues/402
-  var segments = ['TWFkbmVzcz8h', 'IFRoaXM=', 'IGlz', 'IG5vZGUuanMh'];
-  var b = Buffer.allocUnsafe(64);
-  var pos = 0;
-
-  for (var i = 0; i < segments.length; ++i) {
-    pos += b.write(segments[i], pos, 'base64');
-  }
-  assert.equal(b.toString('latin1', 0, pos), 'Madness?! This is node.js!');
-}
-
-// Regression test for https://github.com/nodejs/node/issues/3496.
-// assert.equal(Buffer.from('=bad'.repeat(1e4), 'base64').length, 0);
-
-{
-  // Creating buffers larger than pool size.
-  var l = Buffer.poolSize + 5;
-  var s = '';
-  for (var i = 0; i < l; i++) {
-    s += 'h';
-  }
-
-  var b = Buffer.from(s);
-
-  for (var i = 0; i < l; i++) {
-    assert.equal('h'.charCodeAt(0), b[i]);
-  }
-
-  var sb = b.toString();
-  assert.equal(sb.length, s.length);
-  assert.equal(sb, s);
-}
-
-{
-  // Single argument slice
-  var b = Buffer.from('abcde');
-  assert.equal('bcde', b.slice(1).toString());
-}
-
-// slice(0,0).length === 0
-assert.equal(0, Buffer.from('hello').slice(0, 0).length);
-
-// test hex toString
-// console.log('Create hex string from buffer');
-var hexb = Buffer.allocUnsafe(256);
-for (var i = 0; i < 256; i++) {
-  hexb[i] = i;
-}
-var hexStr = hexb.toString('hex');
-assert.equal(hexStr,
-             '000102030405060708090a0b0c0d0e0f' +
-             '101112131415161718191a1b1c1d1e1f' +
-             '202122232425262728292a2b2c2d2e2f' +
-             '303132333435363738393a3b3c3d3e3f' +
-             '404142434445464748494a4b4c4d4e4f' +
-             '505152535455565758595a5b5c5d5e5f' +
-             '606162636465666768696a6b6c6d6e6f' +
-             '707172737475767778797a7b7c7d7e7f' +
-             '808182838485868788898a8b8c8d8e8f' +
-             '909192939495969798999a9b9c9d9e9f' +
-             'a0a1a2a3a4a5a6a7a8a9aaabacadaeaf' +
-             'b0b1b2b3b4b5b6b7b8b9babbbcbdbebf' +
-             'c0c1c2c3c4c5c6c7c8c9cacbcccdcecf' +
-             'd0d1d2d3d4d5d6d7d8d9dadbdcdddedf' +
-             'e0e1e2e3e4e5e6e7e8e9eaebecedeeef' +
-             'f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff');
-
-// console.log('Create buffer from hex string');
-var hexb2 = Buffer.from(hexStr, 'hex');
-for (var i = 0; i < 256; i++) {
-  assert.equal(hexb2[i], hexb[i]);
-}
-
-{
-  // test an invalid slice end.
-//   console.log('Try to slice off the end of the buffer');
-  var b = Buffer.from([1, 2, 3, 4, 5]);
-  var b2 = b.toString('hex', 1, 10000);
-  var b3 = b.toString('hex', 1, 5);
-  var b4 = b.toString('hex', 1);
-  assert.equal(b2, b3);
-  assert.equal(b2, b4);
-}
-
-function buildBuffer(data) {
-  if (Array.isArray(data)) {
-    var buffer = Buffer.allocUnsafe(data.length);
-    data.forEach(function(v, k) {
-      buffer[k] = v;
-    });
-    return buffer;
-  }
-  return null;
-}
-
-var x = buildBuffer([0x81, 0xa3, 0x66, 0x6f, 0x6f, 0xa3, 0x62, 0x61, 0x72]);
-
-// console.log(x.inspect());
-assert.equal('<Buffer 81 a3 66 6f 6f a3 62 61 72>', x.inspect());
-
-{
-  var z = x.slice(4);
-//   console.log(z.inspect());
-//   console.log(z.length);
-  assert.equal(5, z.length);
-  assert.equal(0x6f, z[0]);
-  assert.equal(0xa3, z[1]);
-  assert.equal(0x62, z[2]);
-  assert.equal(0x61, z[3]);
-  assert.equal(0x72, z[4]);
-}
-
-{
-  var z = x.slice(0);
-//   console.log(z.inspect());
-//   console.log(z.length);
-  assert.equal(z.length, x.length);
-}
-
-{
-  var z = x.slice(0, 4);
-//   console.log(z.inspect());
-//   console.log(z.length);
-  assert.equal(4, z.length);
-  assert.equal(0x81, z[0]);
-  assert.equal(0xa3, z[1]);
-}
-
-{
-  var z = x.slice(0, 9);
-//   console.log(z.inspect());
-//   console.log(z.length);
-  assert.equal(9, z.length);
-}
-
-{
-  var z = x.slice(1, 4);
-//   console.log(z.inspect());
-//   console.log(z.length);
-  assert.equal(3, z.length);
-  assert.equal(0xa3, z[0]);
-}
-
-{
-  var z = x.slice(2, 4);
-//   console.log(z.inspect());
-//   console.log(z.length);
-  assert.equal(2, z.length);
-  assert.equal(0x66, z[0]);
-  assert.equal(0x6f, z[1]);
-}
-
-assert.equal(0, Buffer.from('hello').slice(0, 0).length);
-
-['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
-  var b = Buffer.allocUnsafe(10);
-  b.write('あいうえお', encoding);
-  assert.equal(b.toString(encoding), 'あいうえお');
-});
-
-{
-  // Binary encoding should write only one byte per character.
-  var b = Buffer.from([0xde, 0xad, 0xbe, 0xef]);
-  var s = String.fromCharCode(0xffff);
-  b.write(s, 0, 'latin1');
-  assert.equal(0xff, b[0]);
-  assert.equal(0xad, b[1]);
-  assert.equal(0xbe, b[2]);
-  assert.equal(0xef, b[3]);
-  s = String.fromCharCode(0xaaee);
-  b.write(s, 0, 'latin1');
-  assert.equal(0xee, b[0]);
-  assert.equal(0xad, b[1]);
-  assert.equal(0xbe, b[2]);
-  assert.equal(0xef, b[3]);
-}
-
-{
-  // #1210 Test UTF-8 string includes null character
-  var buf = Buffer.from('\0');
-  assert.equal(buf.length, 1);
-  buf = Buffer.from('\0\0');
-  assert.equal(buf.length, 2);
-}
-
-{
-  var buf = Buffer.allocUnsafe(2);
-  var written = buf.write(''); // 0byte
-  assert.equal(written, 0);
-  written = buf.write('\0'); // 1byte (v8 adds null terminator)
-  assert.equal(written, 1);
-  written = buf.write('a\0'); // 1byte * 2
-  assert.equal(written, 2);
-  written = buf.write('あ'); // 3bytes
-  assert.equal(written, 0);
-  written = buf.write('\0あ'); // 1byte + 3bytes
-  assert.equal(written, 1);
-  written = buf.write('\0\0あ'); // 1byte * 2 + 3bytes
-  assert.equal(written, 2);
-}
-
-{
-  var buf = Buffer.allocUnsafe(10);
-  written = buf.write('あいう'); // 3bytes * 3 (v8 adds null terminator)
-  assert.equal(written, 9);
-  written = buf.write('あいう\0'); // 3bytes * 3 + 1byte
-  assert.equal(written, 10);
-}
-
-{
-  // #243 Test write() with maxLength
-  var buf = Buffer.allocUnsafe(4);
-  buf.fill(0xFF);
-  var written = buf.write('abcd', 1, 2, 'utf8');
-//   console.log(buf);
-  assert.equal(written, 2);
-  assert.equal(buf[0], 0xFF);
-  assert.equal(buf[1], 0x61);
-  assert.equal(buf[2], 0x62);
-  assert.equal(buf[3], 0xFF);
-
-  buf.fill(0xFF);
-  written = buf.write('abcd', 1, 4);
-//   console.log(buf);
-  assert.equal(written, 3);
-  assert.equal(buf[0], 0xFF);
-  assert.equal(buf[1], 0x61);
-  assert.equal(buf[2], 0x62);
-  assert.equal(buf[3], 0x63);
-
-  buf.fill(0xFF);
-  written = buf.write('abcd', 1, 2, 'utf8');
-//   console.log(buf);
-  assert.equal(written, 2);
-  assert.equal(buf[0], 0xFF);
-  assert.equal(buf[1], 0x61);
-  assert.equal(buf[2], 0x62);
-  assert.equal(buf[3], 0xFF);
-
-  buf.fill(0xFF);
-  written = buf.write('abcdef', 1, 2, 'hex');
-//   console.log(buf);
-  assert.equal(written, 2);
-  assert.equal(buf[0], 0xFF);
-  assert.equal(buf[1], 0xAB);
-  assert.equal(buf[2], 0xCD);
-  assert.equal(buf[3], 0xFF);
-
-  ['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
-    buf.fill(0xFF);
-    written = buf.write('abcd', 0, 2, encoding);
-//     console.log(buf);
-    assert.equal(written, 2);
-    assert.equal(buf[0], 0x61);
-    assert.equal(buf[1], 0x00);
-    assert.equal(buf[2], 0xFF);
-    assert.equal(buf[3], 0xFF);
-  });
-}
-
-{
-  // test offset returns are correct
-  var b = Buffer.allocUnsafe(16);
-  assert.equal(4, b.writeUInt32LE(0, 0));
-  assert.equal(6, b.writeUInt16LE(0, 4));
-  assert.equal(7, b.writeUInt8(0, 6));
-  assert.equal(8, b.writeInt8(0, 7));
-  assert.equal(16, b.writeDoubleLE(0, 8));
-}
-
-{
-  // test unmatched surrogates not producing invalid utf8 output
-  // ef bf bd = utf-8 representation of unicode replacement character
-  // see https://codereview.chromium.org/121173009/
-  var buf = Buffer.from('ab\ud800cd', 'utf8');
-  assert.equal(buf[0], 0x61);
-  assert.equal(buf[1], 0x62);
-  assert.equal(buf[2], 0xef);
-  assert.equal(buf[3], 0xbf);
-  assert.equal(buf[4], 0xbd);
-  assert.equal(buf[5], 0x63);
-  assert.equal(buf[6], 0x64);
-}
-
-{
-  // test for buffer overrun
-  var buf = Buffer.from([0, 0, 0, 0, 0]); // length: 5
-  var sub = buf.slice(0, 4);         // length: 4
-  written = sub.write('12345', 'latin1');
-  assert.equal(written, 4);
-  assert.equal(buf[4], 0);
-}
-
-// Check for fractional length args, junk length args, etc.
-// https://github.com/joyent/node/issues/1758
-
-// Call .fill() first, stops valgrind warning about uninitialized memory reads.
-Buffer.allocUnsafe(3.3).fill().toString();
-  // throws bad argument error in commit 43cb4ec
-Buffer.alloc(3.3).fill().toString();
-assert.equal(Buffer.allocUnsafe(NaN).length, 0);
-assert.equal(Buffer.allocUnsafe(3.3).length, 3);
-assert.equal(Buffer.from({length: 3.3}).length, 3);
-assert.equal(Buffer.from({length: 'BAM'}).length, 0);
-
-// Make sure that strings are not coerced to numbers.
-assert.equal(Buffer.from('99').length, 2);
-assert.equal(Buffer.from('13.37').length, 5);
-
-// Ensure that the length argument is respected.
-'ascii utf8 hex base64 latin1'.split(' ').forEach(function(enc) {
-  assert.equal(Buffer.allocUnsafe(1).write('aaaaaa', 0, 1, enc), 1);
-});
-
-{
-  // Regression test, guard against buffer overrun in the base64 decoder.
-  var a = Buffer.allocUnsafe(3);
-  var b = Buffer.from('xxx');
-  a.write('aaaaaaaa', 'base64');
-  assert.equal(b.toString(), 'xxx');
-}
-
-// issue GH-3416
-Buffer.from(Buffer.allocUnsafe(0), 0, 0);
-
-[ 'hex',
-  'utf8',
-  'utf-8',
-  'ascii',
-  'latin1',
-  'binary',
-  'base64',
-  'ucs2',
-  'ucs-2',
-  'utf16le',
-  'utf-16le' ].forEach(function(enc) {
-    assert.equal(Buffer.isEncoding(enc), true);
-  });
-
-[ 'utf9',
-  'utf-7',
-  'Unicode-FTW',
-  'new gnu gun',
-  false,
-  NaN,
-  {},
-  Infinity,
-  [],
-  1,
-  0,
-  -1 ].forEach(function(enc) {
-    assert.equal(Buffer.isEncoding(enc), false);
-  });
-
-
-// GH-5110
-{
-  var buffer = Buffer.from('test');
-  var string = JSON.stringify(buffer);
-
-  assert.strictEqual(string, '{"type":"Buffer","data":[116,101,115,116]}');
-
-  assert.deepStrictEqual(buffer, JSON.parse(string, function(key, value) {
-    return value && value.type === 'Buffer'
-      ? Buffer.from(value.data)
-      : value;
-  }));
-}
-
-// issue GH-7849
-{
-  var buf = Buffer.from('test');
-  var json = JSON.stringify(buf);
-  var obj = JSON.parse(json);
-  var copy = Buffer.from(obj);
-
-  assert(buf.equals(copy));
-}
-
-// issue GH-4331
-assert.throws(function() {
-  Buffer.allocUnsafe(0xFFFFFFFF);
-}, RangeError);
-assert.throws(function() {
-  Buffer.allocUnsafe(0xFFFFFFFFF);
-}, RangeError);
-
-
-// attempt to overflow buffers, similar to previous bug in array buffers
-assert.throws(function() {
-  var buf = Buffer.allocUnsafe(8);
-  buf.readFloatLE(0xffffffff);
-}, RangeError);
-
-assert.throws(function() {
-  var buf = Buffer.allocUnsafe(8);
-  buf.writeFloatLE(0.0, 0xffffffff);
-}, RangeError);
-
-assert.throws(function() {
-  var buf = Buffer.allocUnsafe(8);
-  buf.readFloatLE(0xffffffff);
-}, RangeError);
-
-assert.throws(function() {
-  var buf = Buffer.allocUnsafe(8);
-  buf.writeFloatLE(0.0, 0xffffffff);
-}, RangeError);
-
-
-// ensure negative values can't get past offset
-assert.throws(function() {
-  var buf = Buffer.allocUnsafe(8);
-  buf.readFloatLE(-1);
-}, RangeError);
-
-assert.throws(function() {
-  var buf = Buffer.allocUnsafe(8);
-  buf.writeFloatLE(0.0, -1);
-}, RangeError);
-
-assert.throws(function() {
-  var buf = Buffer.allocUnsafe(8);
-  buf.readFloatLE(-1);
-}, RangeError);
-
-assert.throws(function() {
-  var buf = Buffer.allocUnsafe(8);
-  buf.writeFloatLE(0.0, -1);
-}, RangeError);
-
-// offset checks
-{
-  var buf = Buffer.allocUnsafe(0);
-
-  assert.throws(function() { buf.readUInt8(0); }, RangeError);
-  assert.throws(function() { buf.readInt8(0); }, RangeError);
-}
-
-{
-  var buf = Buffer.from([0xFF]);
-
-  assert.equal(buf.readUInt8(0), 255);
-  assert.equal(buf.readInt8(0), -1);
-}
-
-[16, 32].forEach(function(bits) {
-  var buf = Buffer.allocUnsafe(bits / 8 - 1);
-
-  assert.throws(function() { buf['readUInt' + bits + 'BE'](0); },
-                RangeError,
-                'readUInt' + bits + 'BE');
-
-  assert.throws(function() { buf['readUInt' + bits + 'LE'](0); },
-                RangeError,
-                'readUInt' + bits + 'LE');
-
-  assert.throws(function() { buf['readInt' + bits + 'BE'](0); },
-                RangeError,
-                'readInt' + bits + 'BE()');
-
-  assert.throws(function() { buf['readInt' + bits + 'LE'](0); },
-                RangeError,
-                'readInt' + bits + 'LE()');
-});
-
-[16, 32].forEach(function(bits) {
-  var buf = Buffer.from([0xFF, 0xFF, 0xFF, 0xFF]);
-
-  assert.equal(buf['readUInt' + bits + 'BE'](0),
-                (0xFFFFFFFF >>> (32 - bits)));
-
-  assert.equal(buf['readUInt' + bits + 'LE'](0),
-                (0xFFFFFFFF >>> (32 - bits)));
-
-  assert.equal(buf['readInt' + bits + 'BE'](0),
-                (0xFFFFFFFF >> (32 - bits)));
-
-  assert.equal(buf['readInt' + bits + 'LE'](0),
-                (0xFFFFFFFF >> (32 - bits)));
-});
-
-// test for common read(U)IntLE/BE
-{
-  var buf = Buffer.from([0x01, 0x02, 0x03, 0x04, 0x05, 0x06]);
-
-  assert.strictEqual(buf.readUIntLE(0, 1), 0x01);
-  assert.strictEqual(buf.readUIntBE(0, 1), 0x01);
-  assert.strictEqual(buf.readUIntLE(0, 3), 0x030201);
-  assert.strictEqual(buf.readUIntBE(0, 3), 0x010203);
-  assert.strictEqual(buf.readUIntLE(0, 5), 0x0504030201);
-  assert.strictEqual(buf.readUIntBE(0, 5), 0x0102030405);
-  assert.strictEqual(buf.readUIntLE(0, 6), 0x060504030201);
-  assert.strictEqual(buf.readUIntBE(0, 6), 0x010203040506);
-  assert.strictEqual(buf.readIntLE(0, 1), 0x01);
-  assert.strictEqual(buf.readIntBE(0, 1), 0x01);
-  assert.strictEqual(buf.readIntLE(0, 3), 0x030201);
-  assert.strictEqual(buf.readIntBE(0, 3), 0x010203);
-  assert.strictEqual(buf.readIntLE(0, 5), 0x0504030201);
-  assert.strictEqual(buf.readIntBE(0, 5), 0x0102030405);
-  assert.strictEqual(buf.readIntLE(0, 6), 0x060504030201);
-  assert.strictEqual(buf.readIntBE(0, 6), 0x010203040506);
-}
-
-// test for common write(U)IntLE/BE
-{
-  var buf = Buffer.allocUnsafe(3);
-  buf.writeUIntLE(0x123456, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0x56, 0x34, 0x12]);
-  assert.equal(buf.readUIntLE(0, 3), 0x123456);
-
-  buf = Buffer.allocUnsafe(3);
-  buf.writeUIntBE(0x123456, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56]);
-  assert.equal(buf.readUIntBE(0, 3), 0x123456);
-
-  buf = Buffer.allocUnsafe(3);
-  buf.writeIntLE(0x123456, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0x56, 0x34, 0x12]);
-  assert.equal(buf.readIntLE(0, 3), 0x123456);
-
-  buf = Buffer.allocUnsafe(3);
-  buf.writeIntBE(0x123456, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56]);
-  assert.equal(buf.readIntBE(0, 3), 0x123456);
-
-  buf = Buffer.allocUnsafe(3);
-  buf.writeIntLE(-0x123456, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0xaa, 0xcb, 0xed]);
-  assert.equal(buf.readIntLE(0, 3), -0x123456);
-
-  buf = Buffer.allocUnsafe(3);
-  buf.writeIntBE(-0x123456, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcb, 0xaa]);
-  assert.equal(buf.readIntBE(0, 3), -0x123456);
-
-  buf = Buffer.allocUnsafe(3);
-  buf.writeIntLE(-0x123400, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0x00, 0xcc, 0xed]);
-  assert.equal(buf.readIntLE(0, 3), -0x123400);
-
-  buf = Buffer.allocUnsafe(3);
-  buf.writeIntBE(-0x123400, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcc, 0x00]);
-  assert.equal(buf.readIntBE(0, 3), -0x123400);
-
-  buf = Buffer.allocUnsafe(3);
-  buf.writeIntLE(-0x120000, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0x00, 0x00, 0xee]);
-  assert.equal(buf.readIntLE(0, 3), -0x120000);
-
-  buf = Buffer.allocUnsafe(3);
-  buf.writeIntBE(-0x120000, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0xee, 0x00, 0x00]);
-  assert.equal(buf.readIntBE(0, 3), -0x120000);
-
-  buf = Buffer.allocUnsafe(5);
-  buf.writeUIntLE(0x1234567890, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0x90, 0x78, 0x56, 0x34, 0x12]);
-  assert.equal(buf.readUIntLE(0, 5), 0x1234567890);
-
-  buf = Buffer.allocUnsafe(5);
-  buf.writeUIntBE(0x1234567890, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56, 0x78, 0x90]);
-  assert.equal(buf.readUIntBE(0, 5), 0x1234567890);
-
-  buf = Buffer.allocUnsafe(5);
-  buf.writeIntLE(0x1234567890, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0x90, 0x78, 0x56, 0x34, 0x12]);
-  assert.equal(buf.readIntLE(0, 5), 0x1234567890);
-
-  buf = Buffer.allocUnsafe(5);
-  buf.writeIntBE(0x1234567890, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56, 0x78, 0x90]);
-  assert.equal(buf.readIntBE(0, 5), 0x1234567890);
-
-  buf = Buffer.allocUnsafe(5);
-  buf.writeIntLE(-0x1234567890, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0x70, 0x87, 0xa9, 0xcb, 0xed]);
-  assert.equal(buf.readIntLE(0, 5), -0x1234567890);
-
-  buf = Buffer.allocUnsafe(5);
-  buf.writeIntBE(-0x1234567890, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcb, 0xa9, 0x87, 0x70]);
-  assert.equal(buf.readIntBE(0, 5), -0x1234567890);
-
-  buf = Buffer.allocUnsafe(5);
-  buf.writeIntLE(-0x0012000000, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0x00, 0x00, 0x00, 0xee, 0xff]);
-  assert.equal(buf.readIntLE(0, 5), -0x0012000000);
-
-  buf = Buffer.allocUnsafe(5);
-  buf.writeIntBE(-0x0012000000, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0xff, 0xee, 0x00, 0x00, 0x00]);
-  assert.equal(buf.readIntBE(0, 5), -0x0012000000);
-}
-
-// test Buffer slice
-{
-  var buf = Buffer.from('0123456789');
-  assert.equal(buf.slice(-10, 10), '0123456789');
-  assert.equal(buf.slice(-20, 10), '0123456789');
-  assert.equal(buf.slice(-20, -10), '');
-  assert.equal(buf.slice(), '0123456789');
-  assert.equal(buf.slice(0), '0123456789');
-  assert.equal(buf.slice(0, 0), '');
-  assert.equal(buf.slice(undefined), '0123456789');
-  assert.equal(buf.slice('foobar'), '0123456789');
-  assert.equal(buf.slice(undefined, undefined), '0123456789');
-
-  assert.equal(buf.slice(2), '23456789');
-  assert.equal(buf.slice(5), '56789');
-  assert.equal(buf.slice(10), '');
-  assert.equal(buf.slice(5, 8), '567');
-  assert.equal(buf.slice(8, -1), '8');
-  assert.equal(buf.slice(-10), '0123456789');
-  assert.equal(buf.slice(0, -9), '0');
-  assert.equal(buf.slice(0, -10), '');
-  assert.equal(buf.slice(0, -1), '012345678');
-  assert.equal(buf.slice(2, -2), '234567');
-  assert.equal(buf.slice(0, 65536), '0123456789');
-  assert.equal(buf.slice(65536, 0), '');
-  assert.equal(buf.slice(-5, -8), '');
-  assert.equal(buf.slice(-5, -3), '56');
-  assert.equal(buf.slice(-10, 10), '0123456789');
-  for (var i = 0, s = buf.toString(); i < buf.length; ++i) {
-    assert.equal(buf.slice(i), s.slice(i));
-    assert.equal(buf.slice(0, i), s.slice(0, i));
-    assert.equal(buf.slice(-i), s.slice(-i));
-    assert.equal(buf.slice(0, -i), s.slice(0, -i));
-  }
-
-  var utf16Buf = Buffer.from('0123456789', 'utf16le');
-  // assert.deepStrictEqual(utf16Buf.slice(0, 6), Buffer.from('012', 'utf16le'));
-
-  assert.equal(buf.slice('0', '1'), '0');
-  assert.equal(buf.slice('-5', '10'), '56789');
-  assert.equal(buf.slice('-10', '10'), '0123456789');
-  assert.equal(buf.slice('-10', '-5'), '01234');
-  assert.equal(buf.slice('-10', '-0'), '');
-  assert.equal(buf.slice('111'), '');
-  assert.equal(buf.slice('0', '-111'), '');
-
-  // try to slice a zero length Buffer
-  // see https://github.com/joyent/node/issues/5881
-  Buffer.alloc(0).slice(0, 1);
-}
-
-// Regression test for #5482: should throw but not assert in C++ land.
-assert.throws(function() {
-  Buffer.from('', 'buffer');
-}, TypeError);
-
-// Regression test for #6111. Constructing a buffer from another buffer
-// should a) work, and b) not corrupt the source buffer.
-{
-  var a = [0];
-  for (var i = 0; i < 7; ++i) a = a.concat(a);
-  a = a.map(function(_, i) { return i; });
-  var b = Buffer.from(a);
-  var c = Buffer.from(b);
-  assert.strictEqual(b.length, a.length);
-  assert.strictEqual(c.length, a.length);
-  for (var i = 0, k = a.length; i < k; ++i) {
-    assert.strictEqual(a[i], i);
-    assert.strictEqual(b[i], i);
-    assert.strictEqual(c[i], i);
-  }
-}
-
-
-assert.throws(function() {
-  Buffer.allocUnsafe((-1 >>> 0) + 1);
-}, RangeError);
-
-assert.throws(function() {
-  Buffer.allocUnsafeSlow((-1 >>> 0) + 1);
-}, RangeError);
-
-if (common.hasCrypto) {
-  // Test truncation after decode
-  var crypto = require('crypto');
-
-  var b1 = Buffer.from('YW55=======', 'base64');
-  var b2 = Buffer.from('YW55', 'base64');
-
-  assert.equal(
-    crypto.createHash('sha1').update(b1).digest('hex'),
-    crypto.createHash('sha1').update(b2).digest('hex')
-  );
-} else {
-  common.skip('missing crypto');
-}
-
-// Test Compare
-{
-  var b = Buffer.alloc(1, 'a');
-  var c = Buffer.alloc(1, 'c');
-  var d = Buffer.alloc(2, 'aa');
-
-  assert.equal(b.compare(c), -1);
-  assert.equal(c.compare(d), 1);
-  assert.equal(d.compare(b), 1);
-  assert.equal(b.compare(d), -1);
-  assert.equal(b.compare(b), 0);
-
-  assert.equal(Buffer.compare(b, c), -1);
-  assert.equal(Buffer.compare(c, d), 1);
-  assert.equal(Buffer.compare(d, b), 1);
-  assert.equal(Buffer.compare(b, d), -1);
-  assert.equal(Buffer.compare(c, c), 0);
-
-  assert.equal(Buffer.compare(Buffer.alloc(0), Buffer.alloc(0)), 0);
-  assert.equal(Buffer.compare(Buffer.alloc(0), Buffer.alloc(1)), -1);
-  assert.equal(Buffer.compare(Buffer.alloc(1), Buffer.alloc(0)), 1);
-}
-
-assert.throws(function() {
-  var b = Buffer.allocUnsafe(1);
-  Buffer.compare(b, 'abc');
-});
-
-assert.throws(function() {
-  var b = Buffer.allocUnsafe(1);
-  Buffer.compare('abc', b);
-});
-
-assert.throws(function() {
-  var b = Buffer.allocUnsafe(1);
-  b.compare('abc');
-});
-
-// Test Equals
-{
-  var b = Buffer.alloc(5, 'abcdf');
-  var c = Buffer.alloc(5, 'abcdf');
-  var d = Buffer.alloc(5, 'abcde');
-  var e = Buffer.alloc(6, 'abcdef');
-
-  assert.ok(b.equals(c));
-  assert.ok(!c.equals(d));
-  assert.ok(!d.equals(e));
-  assert.ok(d.equals(d));
-}
-
-assert.throws(function() {
-  var b = Buffer.allocUnsafe(1);
-  b.equals('abc');
-});
-
-// Regression test for https://github.com/nodejs/node/issues/649.
-assert.throws(() => { Buffer.allocUnsafe(1422561062959).toString('utf8');});
-
-var ps = Buffer.poolSize;
-Buffer.poolSize = 0;
-assert.equal(Buffer.allocUnsafe(1).parent, undefined);
-Buffer.poolSize = ps;
-
-// Test Buffer.copy() segfault
-assert.throws(function() {
-  Buffer.allocUnsafe(10).copy();
-});
-
-var regErrorMsg = new RegExp('First argument must be a string, Buffer, ' +
-                               'ArrayBuffer, Array, or array-like object.');
-
-assert.throws(function() {
-  Buffer.from();
-}, regErrorMsg);
-
-assert.throws(function() {
-  Buffer.from(null);
-}, regErrorMsg);
-
-
-// Test that ParseArrayIndex handles full uint32
-assert.throws(function() {
-  Buffer.from(new ArrayBuffer(0), -1 >>> 0);
-}, /RangeError: 'offset' is out of bounds/);
-
-// ParseArrayIndex() should reject values that don't fit in a 32 bits size_t.
-assert.throws(() => {
-  var a = Buffer(1).fill(0);
-  var b = Buffer(1).fill(0);
-  a.copy(b, 0, 0x100000000, 0x100000001);
-}), /out of range index/;
-
-// Unpooled buffer (replaces SlowBuffer)
-var ubuf = Buffer.allocUnsafeSlow(10);
-assert(ubuf);
-assert(ubuf.buffer);
-assert.equal(ubuf.buffer.byteLength, 10);
-
-// Regression test
-assert.doesNotThrow(() => {
-  Buffer.from(new ArrayBuffer());
-});
-
-assert.throws(() => Buffer.alloc(-Buffer.poolSize),
-              '"size" argument must not be negative');
-assert.throws(() => Buffer.alloc(-100),
-              '"size" argument must not be negative');
-assert.throws(() => Buffer.allocUnsafe(-Buffer.poolSize),
-              '"size" argument must not be negative');
-assert.throws(() => Buffer.allocUnsafe(-100),
-              '"size" argument must not be negative');
-assert.throws(() => Buffer.allocUnsafeSlow(-Buffer.poolSize),
-              '"size" argument must not be negative');
-assert.throws(() => Buffer.allocUnsafeSlow(-100),
-              '"size" argument must not be negative');
-
-assert.throws(() => Buffer.alloc({ valueOf: () => 1 }),
-              /"size" argument must be a number/);
-assert.throws(() => Buffer.alloc({ valueOf: () => -1 }),
-              /"size" argument must be a number/);
-
diff --git a/node_modules/buffer/test/node/test-buffer-arraybuffer.js b/node_modules/buffer/test/node/test-buffer-arraybuffer.js
deleted file mode 100644
index a418752ba..000000000
--- a/node_modules/buffer/test/node/test-buffer-arraybuffer.js
+++ /dev/null
@@ -1,112 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-
-var assert = require('assert');
-
-var Buffer = require('../../').Buffer;
-var LENGTH = 16;
-
-var ab = new ArrayBuffer(LENGTH);
-var dv = new DataView(ab);
-var ui = new Uint8Array(ab);
-var buf = Buffer.from(ab);
-
-
-assert.ok(buf instanceof Buffer);
-// For backwards compatibility of old .parent property test that if buf is not
-// a slice then .parent should be undefined.
-assert.equal(buf.parent, undefined);
-assert.equal(buf.buffer, ab);
-assert.equal(buf.length, ab.byteLength);
-
-
-buf.fill(0xC);
-for (var i = 0; i < LENGTH; i++) {
-  assert.equal(ui[i], 0xC);
-  ui[i] = 0xF;
-  assert.equal(buf[i], 0xF);
-}
-
-buf.writeUInt32LE(0xF00, 0);
-buf.writeUInt32BE(0xB47, 4);
-buf.writeDoubleLE(3.1415, 8);
-
-assert.equal(dv.getUint32(0, true), 0xF00);
-assert.equal(dv.getUint32(4), 0xB47);
-assert.equal(dv.getFloat64(8, true), 3.1415);
-
-
-// Now test protecting users from doing stupid things
-
-assert.throws(function() {
-  function AB() { }
-  Object.setPrototypeOf(AB, ArrayBuffer);
-  Object.setPrototypeOf(AB.prototype, ArrayBuffer.prototype);
-  Buffer.from(new AB());
-}, TypeError);
-
-// write{Double,Float}{LE,BE} with noAssert should not crash, cf. #3766
-var b = Buffer.allocUnsafe(1);
-b.writeFloatLE(11.11, 0, true);
-b.writeFloatBE(11.11, 0, true);
-b.writeDoubleLE(11.11, 0, true);
-b.writeDoubleBE(11.11, 0, true);
-
-// Test the byteOffset and length arguments
-{
-  var ab = new Uint8Array(5);
-  ab[0] = 1;
-  ab[1] = 2;
-  ab[2] = 3;
-  ab[3] = 4;
-  ab[4] = 5;
-  var buf = Buffer.from(ab.buffer, 1, 3);
-  assert.equal(buf.length, 3);
-  assert.equal(buf[0], 2);
-  assert.equal(buf[1], 3);
-  assert.equal(buf[2], 4);
-  buf[0] = 9;
-  assert.equal(ab[1], 9);
-
-  assert.throws(() => Buffer.from(ab.buffer, 6), (err) => {
-    assert(err instanceof RangeError);
-    assert(/'offset' is out of bounds/.test(err.message));
-    return true;
-  });
-  assert.throws(() => Buffer.from(ab.buffer, 3, 6), (err) => {
-    assert(err instanceof RangeError);
-    assert(/'length' is out of bounds/.test(err.message));
-    return true;
-  });
-}
-
-// Test the deprecated Buffer() version also
-{
-  var ab = new Uint8Array(5);
-  ab[0] = 1;
-  ab[1] = 2;
-  ab[2] = 3;
-  ab[3] = 4;
-  ab[4] = 5;
-  var buf = Buffer(ab.buffer, 1, 3);
-  assert.equal(buf.length, 3);
-  assert.equal(buf[0], 2);
-  assert.equal(buf[1], 3);
-  assert.equal(buf[2], 4);
-  buf[0] = 9;
-  assert.equal(ab[1], 9);
-
-  assert.throws(() => Buffer(ab.buffer, 6), (err) => {
-    assert(err instanceof RangeError);
-    assert(/'offset' is out of bounds/.test(err.message));
-    return true;
-  });
-  assert.throws(() => Buffer(ab.buffer, 3, 6), (err) => {
-    assert(err instanceof RangeError);
-    assert(/'length' is out of bounds/.test(err.message));
-    return true;
-  });
-}
-
diff --git a/node_modules/buffer/test/node/test-buffer-ascii.js b/node_modules/buffer/test/node/test-buffer-ascii.js
deleted file mode 100644
index 4a06098ab..000000000
--- a/node_modules/buffer/test/node/test-buffer-ascii.js
+++ /dev/null
@@ -1,28 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-var assert = require('assert');
-
-// ASCII conversion in node.js simply masks off the high bits,
-// it doesn't do transliteration.
-assert.equal(Buffer.from('hérité').toString('ascii'), 'hC)ritC)');
-
-// 71 characters, 78 bytes. The ’ character is a triple-byte sequence.
-var input = 'C’est, graphiquement, la réunion d’un accent aigu ' +
-            'et d’un accent grave.';
-
-var expected = 'Cb\u0000\u0019est, graphiquement, la rC)union ' +
-               'db\u0000\u0019un accent aigu et db\u0000\u0019un ' +
-               'accent grave.';
-
-var buf = Buffer.from(input);
-
-for (var i = 0; i < expected.length; ++i) {
-  assert.equal(buf.slice(i).toString('ascii'), expected.slice(i));
-
-  // Skip remainder of multi-byte sequence.
-  if (input.charCodeAt(i) > 65535) ++i;
-  if (input.charCodeAt(i) > 127) ++i;
-}
-
diff --git a/node_modules/buffer/test/node/test-buffer-bad-overload.js b/node_modules/buffer/test/node/test-buffer-bad-overload.js
deleted file mode 100644
index 282227d73..000000000
--- a/node_modules/buffer/test/node/test-buffer-bad-overload.js
+++ /dev/null
@@ -1,18 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-var assert = require('assert');
-
-assert.doesNotThrow(function() {
-  Buffer.allocUnsafe(10);
-});
-
-assert.throws(function() {
-  Buffer.from(10, 'hex');
-});
-
-assert.doesNotThrow(function() {
-  Buffer.from('deadbeaf', 'hex');
-});
-
diff --git a/node_modules/buffer/test/node/test-buffer-badhex.js b/node_modules/buffer/test/node/test-buffer-badhex.js
deleted file mode 100644
index fd7851d96..000000000
--- a/node_modules/buffer/test/node/test-buffer-badhex.js
+++ /dev/null
@@ -1,46 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-var assert = require('assert');
-var Buffer = require('../../').Buffer;
-
-// Test hex strings and bad hex strings
-{
-  var buf1 = Buffer.alloc(4);
-  assert.strictEqual(buf1.length, 4);
-  assert.deepStrictEqual(buf1, new Buffer([0, 0, 0, 0]));
-  assert.strictEqual(buf1.write('abcdxx', 0, 'hex'), 2);
-  assert.deepStrictEqual(buf1, new Buffer([0xab, 0xcd, 0x00, 0x00]));
-  assert.strictEqual(buf1.toString('hex'), 'abcd0000');
-  assert.strictEqual(buf1.write('abcdef01', 0, 'hex'), 4);
-  assert.deepStrictEqual(buf1, new Buffer([0xab, 0xcd, 0xef, 0x01]));
-  assert.strictEqual(buf1.toString('hex'), 'abcdef01');
-
-  var buf2 = Buffer.from(buf1.toString('hex'), 'hex');
-  assert.strictEqual(buf1.toString('hex'), buf2.toString('hex'));
-
-  var buf3 = Buffer.alloc(5);
-  assert.strictEqual(buf3.write('abcdxx', 1, 'hex'), 2);
-  assert.strictEqual(buf3.toString('hex'), '00abcd0000');
-
-  var buf4 = Buffer.alloc(4);
-  assert.deepStrictEqual(buf4, new Buffer([0, 0, 0, 0]));
-  assert.strictEqual(buf4.write('xxabcd', 0, 'hex'), 0);
-  assert.deepStrictEqual(buf4, new Buffer([0, 0, 0, 0]));
-  assert.strictEqual(buf4.write('xxab', 1, 'hex'), 0);
-  assert.deepStrictEqual(buf4, new Buffer([0, 0, 0, 0]));
-  assert.strictEqual(buf4.write('cdxxab', 0, 'hex'), 1);
-  assert.deepStrictEqual(buf4, new Buffer([0xcd, 0, 0, 0]));
-
-  var buf5 = Buffer.alloc(256);
-  for (var i = 0; i < 256; i++)
-    buf5[i] = i;
-
-  var hex = buf5.toString('hex');
-  assert.deepStrictEqual(Buffer.from(hex, 'hex'), buf5);
-
-  var badHex = hex.slice(0, 256) + 'xx' + hex.slice(256, 510);
-  assert.deepStrictEqual(Buffer.from(badHex, 'hex'), buf5.slice(0, 128));
-}
-
diff --git a/node_modules/buffer/test/node/test-buffer-bytelength.js b/node_modules/buffer/test/node/test-buffer-bytelength.js
deleted file mode 100644
index 8d7dc35b9..000000000
--- a/node_modules/buffer/test/node/test-buffer-bytelength.js
+++ /dev/null
@@ -1,90 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-
-var assert = require('assert');
-var Buffer = require('../../').Buffer;
-var SlowBuffer = require('../../').SlowBuffer;
-
-// coerce values to string
-assert.equal(Buffer.byteLength(32, 'latin1'), 2);
-assert.equal(Buffer.byteLength(NaN, 'utf8'), 3);
-assert.equal(Buffer.byteLength({}, 'latin1'), 15);
-assert.equal(Buffer.byteLength(), 9);
-
-var buff = new Buffer(10);
-assert(ArrayBuffer.isView(buff));
-var slowbuff = new SlowBuffer(10);
-assert(ArrayBuffer.isView(slowbuff));
-
-// buffer
-var incomplete = Buffer.from([0xe4, 0xb8, 0xad, 0xe6, 0x96]);
-assert.equal(Buffer.byteLength(incomplete), 5);
-var ascii = Buffer.from('abc');
-assert.equal(Buffer.byteLength(ascii), 3);
-
-// ArrayBuffer
-var buffer = new ArrayBuffer(8);
-assert.equal(Buffer.byteLength(buffer), 8);
-
-// TypedArray
-var int8 = new Int8Array(8);
-assert.equal(Buffer.byteLength(int8), 8);
-var uint8 = new Uint8Array(8);
-assert.equal(Buffer.byteLength(uint8), 8);
-var uintc8 = new Uint8ClampedArray(2);
-assert.equal(Buffer.byteLength(uintc8), 2);
-var int16 = new Int16Array(8);
-assert.equal(Buffer.byteLength(int16), 16);
-var uint16 = new Uint16Array(8);
-assert.equal(Buffer.byteLength(uint16), 16);
-var int32 = new Int32Array(8);
-assert.equal(Buffer.byteLength(int32), 32);
-var uint32 = new Uint32Array(8);
-assert.equal(Buffer.byteLength(uint32), 32);
-var float32 = new Float32Array(8);
-assert.equal(Buffer.byteLength(float32), 32);
-var float64 = new Float64Array(8);
-assert.equal(Buffer.byteLength(float64), 64);
-
-// DataView
-var dv = new DataView(new ArrayBuffer(2));
-assert.equal(Buffer.byteLength(dv), 2);
-
-// special case: zero length string
-assert.equal(Buffer.byteLength('', 'ascii'), 0);
-assert.equal(Buffer.byteLength('', 'HeX'), 0);
-
-// utf8
-assert.equal(Buffer.byteLength('∑éllö wørl∂!', 'utf-8'), 19);
-assert.equal(Buffer.byteLength('κλμνξο', 'utf8'), 12);
-assert.equal(Buffer.byteLength('挵挶挷挸挹', 'utf-8'), 15);
-assert.equal(Buffer.byteLength('𠝹𠱓𠱸', 'UTF8'), 12);
-// without an encoding, utf8 should be assumed
-assert.equal(Buffer.byteLength('hey there'), 9);
-assert.equal(Buffer.byteLength('𠱸挶νξ#xx :)'), 17);
-assert.equal(Buffer.byteLength('hello world', ''), 11);
-// it should also be assumed with unrecognized encoding
-assert.equal(Buffer.byteLength('hello world', 'abc'), 11);
-assert.equal(Buffer.byteLength('ßœ∑≈', 'unkn0wn enc0ding'), 10);
-
-// base64
-assert.equal(Buffer.byteLength('aGVsbG8gd29ybGQ=', 'base64'), 11);
-assert.equal(Buffer.byteLength('bm9kZS5qcyByb2NrcyE=', 'base64'), 14);
-assert.equal(Buffer.byteLength('aGkk', 'base64'), 3);
-assert.equal(Buffer.byteLength('bHNrZGZsa3NqZmtsc2xrZmFqc2RsZmtqcw==',
-    'base64'), 25);
-// special padding
-assert.equal(Buffer.byteLength('aaa=', 'base64'), 2);
-assert.equal(Buffer.byteLength('aaaa==', 'base64'), 3);
-
-assert.equal(Buffer.byteLength('Il était tué'), 14);
-assert.equal(Buffer.byteLength('Il était tué', 'utf8'), 14);
-assert.equal(Buffer.byteLength('Il était tué', 'ascii'), 12);
-assert.equal(Buffer.byteLength('Il était tué', 'latin1'), 12);
-assert.equal(Buffer.byteLength('Il était tué', 'binary'), 12);
-['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
-  assert.equal(24, Buffer.byteLength('Il était tué', encoding));
-});
-
diff --git a/node_modules/buffer/test/node/test-buffer-compare-offset.js b/node_modules/buffer/test/node/test-buffer-compare-offset.js
deleted file mode 100644
index f1984ed91..000000000
--- a/node_modules/buffer/test/node/test-buffer-compare-offset.js
+++ /dev/null
@@ -1,66 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-
-var assert = require('assert');
-
-var a = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]);
-var b = Buffer.from([5, 6, 7, 8, 9, 0, 1, 2, 3, 4]);
-
-assert.equal(-1, a.compare(b));
-
-// Equivalent to a.compare(b).
-assert.equal(-1, a.compare(b, 0));
-assert.equal(-1, a.compare(b, '0'));
-
-// Equivalent to a.compare(b).
-assert.equal(-1, a.compare(b, 0, undefined, 0));
-
-// Zero-length targer, return 1
-assert.equal(1, a.compare(b, 0, 0, 0));
-assert.equal(1, a.compare(b, '0', '0', '0'));
-
-// Equivalent to Buffer.compare(a, b.slice(6, 10))
-assert.equal(1, a.compare(b, 6, 10));
-
-// Zero-length source, return -1
-assert.equal(-1, a.compare(b, 6, 10, 0, 0));
-
-// Equivalent to Buffer.compare(a.slice(4), b.slice(0, 5))
-assert.equal(1, a.compare(b, 0, 5, 4));
-
-// Equivalent to Buffer.compare(a.slice(1), b.slice(5))
-assert.equal(1, a.compare(b, 5, undefined, 1));
-
-// Equivalent to Buffer.compare(a.slice(2), b.slice(2, 4))
-assert.equal(-1, a.compare(b, 2, 4, 2));
-
-// Equivalent to Buffer.compare(a.slice(4), b.slice(0, 7))
-assert.equal(-1, a.compare(b, 0, 7, 4));
-
-// Equivalent to Buffer.compare(a.slice(4, 6), b.slice(0, 7));
-assert.equal(-1, a.compare(b, 0, 7, 4, 6));
-
-// zero length target
-assert.equal(1, a.compare(b, 0, null));
-
-// coerces to targetEnd == 5
-assert.equal(-1, a.compare(b, 0, {valueOf: () => 5}));
-
-// zero length target
-assert.equal(1, a.compare(b, Infinity, -Infinity));
-
-// zero length target because default for targetEnd <= targetSource
-assert.equal(1, a.compare(b, '0xff'));
-
-var oor = /out of range index/;
-
-assert.throws(() => a.compare(b, 0, 100, 0), oor);
-assert.throws(() => a.compare(b, 0, 1, 0, 100), oor);
-assert.throws(() => a.compare(b, -1), oor);
-assert.throws(() => a.compare(b, 0, '0xff'), oor);
-assert.throws(() => a.compare(b, 0, Infinity), oor);
-assert.throws(() => a.compare(b, -Infinity, Infinity), oor);
-assert.throws(() => a.compare(), /Argument must be a Buffer/);
-
diff --git a/node_modules/buffer/test/node/test-buffer-concat.js b/node_modules/buffer/test/node/test-buffer-concat.js
deleted file mode 100644
index c0dc4da09..000000000
--- a/node_modules/buffer/test/node/test-buffer-concat.js
+++ /dev/null
@@ -1,40 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-var assert = require('assert');
-
-var zero = [];
-var one = [ Buffer.from('asdf') ];
-var long = [];
-for (var i = 0; i < 10; i++) long.push(Buffer.from('asdf'));
-
-var flatZero = Buffer.concat(zero);
-var flatOne = Buffer.concat(one);
-var flatLong = Buffer.concat(long);
-var flatLongLen = Buffer.concat(long, 40);
-
-assert(flatZero.length === 0);
-assert(flatOne.toString() === 'asdf');
-// A special case where concat used to return the first item,
-// if the length is one. This check is to make sure that we don't do that.
-assert(flatOne !== one[0]);
-assert(flatLong.toString() === (new Array(10 + 1).join('asdf')));
-assert(flatLongLen.toString() === (new Array(10 + 1).join('asdf')));
-
-assertWrongList();
-assertWrongList(null);
-assertWrongList(Buffer.from('hello'));
-assertWrongList([42]);
-assertWrongList(['hello', 'world']);
-assertWrongList(['hello', Buffer.from('world')]);
-
-function assertWrongList(value) {
-  assert.throws(function() {
-    Buffer.concat(value);
-  }, function(err) {
-    return err instanceof TypeError &&
-           err.message === '"list" argument must be an Array of Buffers';
-  });
-}
-
diff --git a/node_modules/buffer/test/node/test-buffer-fill.js b/node_modules/buffer/test/node/test-buffer-fill.js
deleted file mode 100644
index 7138094a7..000000000
--- a/node_modules/buffer/test/node/test-buffer-fill.js
+++ /dev/null
@@ -1,272 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-
-var assert = require('assert');
-var os = require('os');
-var SIZE = 28;
-
-var buf1 = Buffer.allocUnsafe(SIZE);
-var buf2 = Buffer.allocUnsafe(SIZE);
-
-
-// Default encoding
-testBufs('abc');
-testBufs('\u0222aa');
-testBufs('a\u0234b\u0235c\u0236');
-testBufs('abc', 4);
-testBufs('abc', 5);
-testBufs('abc', SIZE);
-testBufs('\u0222aa', 2);
-testBufs('\u0222aa', 8);
-testBufs('a\u0234b\u0235c\u0236', 4);
-testBufs('a\u0234b\u0235c\u0236', 12);
-testBufs('abc', 4, -1);
-testBufs('abc', 4, 1);
-testBufs('abc', 5, 1);
-testBufs('\u0222aa', 2, -1);
-testBufs('\u0222aa', 8, 1);
-testBufs('a\u0234b\u0235c\u0236', 4, -1);
-testBufs('a\u0234b\u0235c\u0236', 4, 1);
-testBufs('a\u0234b\u0235c\u0236', 12, 1);
-
-
-// UTF8
-testBufs('abc', 'utf8');
-testBufs('\u0222aa', 'utf8');
-testBufs('a\u0234b\u0235c\u0236', 'utf8');
-testBufs('abc', 4, 'utf8');
-testBufs('abc', 5, 'utf8');
-testBufs('abc', SIZE, 'utf8');
-testBufs('\u0222aa', 2, 'utf8');
-testBufs('\u0222aa', 8, 'utf8');
-testBufs('a\u0234b\u0235c\u0236', 4, 'utf8');
-testBufs('a\u0234b\u0235c\u0236', 12, 'utf8');
-testBufs('abc', 4, -1, 'utf8');
-testBufs('abc', 4, 1, 'utf8');
-testBufs('abc', 5, 1, 'utf8');
-testBufs('\u0222aa', 2, -1, 'utf8');
-testBufs('\u0222aa', 8, 1, 'utf8');
-testBufs('a\u0234b\u0235c\u0236', 4, -1, 'utf8');
-testBufs('a\u0234b\u0235c\u0236', 4, 1, 'utf8');
-testBufs('a\u0234b\u0235c\u0236', 12, 1, 'utf8');
-assert.equal(Buffer.allocUnsafe(1).fill(0).fill('\u0222')[0], 0xc8);
-
-
-// BINARY
-testBufs('abc', 'binary');
-testBufs('\u0222aa', 'binary');
-testBufs('a\u0234b\u0235c\u0236', 'binary');
-testBufs('abc', 4, 'binary');
-testBufs('abc', 5, 'binary');
-testBufs('abc', SIZE, 'binary');
-testBufs('\u0222aa', 2, 'binary');
-testBufs('\u0222aa', 8, 'binary');
-testBufs('a\u0234b\u0235c\u0236', 4, 'binary');
-testBufs('a\u0234b\u0235c\u0236', 12, 'binary');
-testBufs('abc', 4, -1, 'binary');
-testBufs('abc', 4, 1, 'binary');
-testBufs('abc', 5, 1, 'binary');
-testBufs('\u0222aa', 2, -1, 'binary');
-testBufs('\u0222aa', 8, 1, 'binary');
-testBufs('a\u0234b\u0235c\u0236', 4, -1, 'binary');
-testBufs('a\u0234b\u0235c\u0236', 4, 1, 'binary');
-testBufs('a\u0234b\u0235c\u0236', 12, 1, 'binary');
-
-
-// LATIN1
-testBufs('abc', 'latin1');
-testBufs('\u0222aa', 'latin1');
-testBufs('a\u0234b\u0235c\u0236', 'latin1');
-testBufs('abc', 4, 'latin1');
-testBufs('abc', 5, 'latin1');
-testBufs('abc', SIZE, 'latin1');
-testBufs('\u0222aa', 2, 'latin1');
-testBufs('\u0222aa', 8, 'latin1');
-testBufs('a\u0234b\u0235c\u0236', 4, 'latin1');
-testBufs('a\u0234b\u0235c\u0236', 12, 'latin1');
-testBufs('abc', 4, -1, 'latin1');
-testBufs('abc', 4, 1, 'latin1');
-testBufs('abc', 5, 1, 'latin1');
-testBufs('\u0222aa', 2, -1, 'latin1');
-testBufs('\u0222aa', 8, 1, 'latin1');
-testBufs('a\u0234b\u0235c\u0236', 4, -1, 'latin1');
-testBufs('a\u0234b\u0235c\u0236', 4, 1, 'latin1');
-testBufs('a\u0234b\u0235c\u0236', 12, 1, 'latin1');
-
-
-// UCS2
-testBufs('abc', 'ucs2');
-testBufs('\u0222aa', 'ucs2');
-testBufs('a\u0234b\u0235c\u0236', 'ucs2');
-testBufs('abc', 4, 'ucs2');
-testBufs('abc', SIZE, 'ucs2');
-testBufs('\u0222aa', 2, 'ucs2');
-testBufs('\u0222aa', 8, 'ucs2');
-testBufs('a\u0234b\u0235c\u0236', 4, 'ucs2');
-testBufs('a\u0234b\u0235c\u0236', 12, 'ucs2');
-testBufs('abc', 4, -1, 'ucs2');
-testBufs('abc', 4, 1, 'ucs2');
-testBufs('abc', 5, 1, 'ucs2');
-testBufs('\u0222aa', 2, -1, 'ucs2');
-testBufs('\u0222aa', 8, 1, 'ucs2');
-testBufs('a\u0234b\u0235c\u0236', 4, -1, 'ucs2');
-testBufs('a\u0234b\u0235c\u0236', 4, 1, 'ucs2');
-testBufs('a\u0234b\u0235c\u0236', 12, 1, 'ucs2');
-assert.equal(Buffer.allocUnsafe(1).fill('\u0222', 'ucs2')[0],
-             os.endianness() === 'LE' ? 0x22 : 0x02);
-
-
-// HEX
-testBufs('616263', 'hex');
-testBufs('c8a26161', 'hex');
-testBufs('61c8b462c8b563c8b6', 'hex');
-testBufs('616263', 4, 'hex');
-testBufs('616263', 5, 'hex');
-testBufs('616263', SIZE, 'hex');
-testBufs('c8a26161', 2, 'hex');
-testBufs('c8a26161', 8, 'hex');
-testBufs('61c8b462c8b563c8b6', 4, 'hex');
-testBufs('61c8b462c8b563c8b6', 12, 'hex');
-testBufs('616263', 4, -1, 'hex');
-testBufs('616263', 4, 1, 'hex');
-testBufs('616263', 5, 1, 'hex');
-testBufs('c8a26161', 2, -1, 'hex');
-testBufs('c8a26161', 8, 1, 'hex');
-testBufs('61c8b462c8b563c8b6', 4, -1, 'hex');
-testBufs('61c8b462c8b563c8b6', 4, 1, 'hex');
-testBufs('61c8b462c8b563c8b6', 12, 1, 'hex');
-// Make sure this operation doesn't go on forever
-buf1.fill('yKJh', 'hex');
-assert.throws(() => buf1.fill('\u0222', 'hex'));
-
-
-// BASE64
-testBufs('YWJj', 'ucs2');
-testBufs('yKJhYQ==', 'ucs2');
-testBufs('Yci0Ysi1Y8i2', 'ucs2');
-testBufs('YWJj', 4, 'ucs2');
-testBufs('YWJj', SIZE, 'ucs2');
-testBufs('yKJhYQ==', 2, 'ucs2');
-testBufs('yKJhYQ==', 8, 'ucs2');
-testBufs('Yci0Ysi1Y8i2', 4, 'ucs2');
-testBufs('Yci0Ysi1Y8i2', 12, 'ucs2');
-testBufs('YWJj', 4, -1, 'ucs2');
-testBufs('YWJj', 4, 1, 'ucs2');
-testBufs('YWJj', 5, 1, 'ucs2');
-testBufs('yKJhYQ==', 2, -1, 'ucs2');
-testBufs('yKJhYQ==', 8, 1, 'ucs2');
-testBufs('Yci0Ysi1Y8i2', 4, -1, 'ucs2');
-testBufs('Yci0Ysi1Y8i2', 4, 1, 'ucs2');
-testBufs('Yci0Ysi1Y8i2', 12, 1, 'ucs2');
-
-
-// Buffer
-function deepStrictEqualValues(buf, arr) {
-  for (var [index, value] of buf.entries()) {
-    assert.deepStrictEqual(value, arr[index]);
-  }
-}
-
-
-var buf2Fill = Buffer.allocUnsafe(1).fill(2);
-deepStrictEqualValues(genBuffer(4, [buf2Fill]), [2, 2, 2, 2]);
-deepStrictEqualValues(genBuffer(4, [buf2Fill, 1]), [0, 2, 2, 2]);
-deepStrictEqualValues(genBuffer(4, [buf2Fill, 1, 3]), [0, 2, 2, 0]);
-deepStrictEqualValues(genBuffer(4, [buf2Fill, 1, 1]), [0, 0, 0, 0]);
-deepStrictEqualValues(genBuffer(4, [buf2Fill, 1, -1]), [0, 0, 0, 0]);
-var hexBufFill = Buffer.allocUnsafe(2).fill(0).fill('0102', 'hex');
-deepStrictEqualValues(genBuffer(4, [hexBufFill]), [1, 2, 1, 2]);
-deepStrictEqualValues(genBuffer(4, [hexBufFill, 1]), [0, 1, 2, 1]);
-deepStrictEqualValues(genBuffer(4, [hexBufFill, 1, 3]), [0, 1, 2, 0]);
-deepStrictEqualValues(genBuffer(4, [hexBufFill, 1, 1]), [0, 0, 0, 0]);
-deepStrictEqualValues(genBuffer(4, [hexBufFill, 1, -1]), [0, 0, 0, 0]);
-
-
-// Check exceptions
-assert.throws(() => buf1.fill(0, -1));
-assert.throws(() => buf1.fill(0, 0, buf1.length + 1));
-assert.throws(() => buf1.fill('', -1));
-assert.throws(() => buf1.fill('', 0, buf1.length + 1));
-assert.throws(() => buf1.fill('a', 0, buf1.length, 'node rocks!'));
-assert.throws(() => buf1.fill('a', 0, 0, NaN));
-assert.throws(() => buf1.fill('a', 0, 0, null));
-assert.throws(() => buf1.fill('a', 0, 0, 'foo'));
-
-
-function genBuffer(size, args) {
-  var b = Buffer.allocUnsafe(size);
-  return b.fill(0).fill.apply(b, args);
-}
-
-
-function bufReset() {
-  buf1.fill(0);
-  buf2.fill(0);
-}
-
-
-// This is mostly accurate. Except write() won't write partial bytes to the
-// string while fill() blindly copies bytes into memory. To account for that an
-// error will be thrown if not all the data can be written, and the SIZE has
-// been massaged to work with the input characters.
-function writeToFill(string, offset, end, encoding) {
-  if (typeof offset === 'string') {
-    encoding = offset;
-    offset = 0;
-    end = buf2.length;
-  } else if (typeof end === 'string') {
-    encoding = end;
-    end = buf2.length;
-  } else if (end === undefined) {
-    end = buf2.length;
-  }
-
-  if (offset < 0 || end > buf2.length)
-    throw new RangeError('Out of range index');
-
-  if (end <= offset)
-    return buf2;
-
-  offset >>>= 0;
-  end >>>= 0;
-  assert(offset <= buf2.length);
-
-  // Convert "end" to "length" (which write understands).
-  var length = end - offset < 0 ? 0 : end - offset;
-
-  var wasZero = false;
-  do {
-    var written = buf2.write(string, offset, length, encoding);
-    offset += written;
-    // Safety check in case write falls into infinite loop.
-    if (written === 0) {
-      if (wasZero)
-        throw new Error('Could not write all data to Buffer');
-      else
-        wasZero = true;
-    }
-  } while (offset < buf2.length);
-
-  // Correction for UCS2 operations.
-  if (os.endianness() === 'BE' && encoding === 'ucs2') {
-    for (var i = 0; i < buf2.length; i += 2) {
-      var tmp = buf2[i];
-      buf2[i] = buf2[i + 1];
-      buf2[i + 1] = tmp;
-    }
-  }
-
-  return buf2;
-}
-
-
-function testBufs(string, offset, length, encoding) {
-  bufReset();
-  buf1.fill.apply(buf1, arguments);
-  // Swap bytes on BE archs for ucs2 encoding.
-  assert.deepStrictEqual(buf1.fill.apply(buf1, arguments),
-                         writeToFill.apply(null, arguments));
-}
-
diff --git a/node_modules/buffer/test/node/test-buffer-includes.js b/node_modules/buffer/test/node/test-buffer-includes.js
deleted file mode 100644
index 2096a34ba..000000000
--- a/node_modules/buffer/test/node/test-buffer-includes.js
+++ /dev/null
@@ -1,305 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-var assert = require('assert');
-
-var Buffer = require('../../').Buffer;
-
-var b = Buffer.from('abcdef');
-var buf_a = Buffer.from('a');
-var buf_bc = Buffer.from('bc');
-var buf_f = Buffer.from('f');
-var buf_z = Buffer.from('z');
-var buf_empty = Buffer.from('');
-
-assert(b.includes('a'));
-assert(!b.includes('a', 1));
-assert(!b.includes('a', -1));
-assert(!b.includes('a', -4));
-assert(b.includes('a', -b.length));
-assert(b.includes('a', NaN));
-assert(b.includes('a', -Infinity));
-assert(!b.includes('a', Infinity));
-assert(b.includes('bc'));
-assert(!b.includes('bc', 2));
-assert(!b.includes('bc', -1));
-assert(!b.includes('bc', -3));
-assert(b.includes('bc', -5));
-assert(b.includes('bc', NaN));
-assert(b.includes('bc', -Infinity));
-assert(!b.includes('bc', Infinity));
-assert(b.includes('f'), b.length - 1);
-assert(!b.includes('z'));
-assert(!b.includes(''));
-assert(!b.includes('', 1));
-assert(!b.includes('', b.length + 1));
-assert(!b.includes('', Infinity));
-assert(b.includes(buf_a));
-assert(!b.includes(buf_a, 1));
-assert(!b.includes(buf_a, -1));
-assert(!b.includes(buf_a, -4));
-assert(b.includes(buf_a, -b.length));
-assert(b.includes(buf_a, NaN));
-assert(b.includes(buf_a, -Infinity));
-assert(!b.includes(buf_a, Infinity));
-assert(b.includes(buf_bc));
-assert(!b.includes(buf_bc, 2));
-assert(!b.includes(buf_bc, -1));
-assert(!b.includes(buf_bc, -3));
-assert(b.includes(buf_bc, -5));
-assert(b.includes(buf_bc, NaN));
-assert(b.includes(buf_bc, -Infinity));
-assert(!b.includes(buf_bc, Infinity));
-assert(b.includes(buf_f), b.length - 1);
-assert(!b.includes(buf_z));
-assert(!b.includes(buf_empty));
-assert(!b.includes(buf_empty, 1));
-assert(!b.includes(buf_empty, b.length + 1));
-assert(!b.includes(buf_empty, Infinity));
-assert(b.includes(0x61));
-assert(!b.includes(0x61, 1));
-assert(!b.includes(0x61, -1));
-assert(!b.includes(0x61, -4));
-assert(b.includes(0x61, -b.length));
-assert(b.includes(0x61, NaN));
-assert(b.includes(0x61, -Infinity));
-assert(!b.includes(0x61, Infinity));
-assert(!b.includes(0x0));
-
-// test offsets
-assert(b.includes('d', 2));
-assert(b.includes('f', 5));
-assert(b.includes('f', -1));
-assert(!b.includes('f', 6));
-
-assert(b.includes(Buffer.from('d'), 2));
-assert(b.includes(Buffer.from('f'), 5));
-assert(b.includes(Buffer.from('f'), -1));
-assert(!b.includes(Buffer.from('f'), 6));
-
-assert(!Buffer.from('ff').includes(Buffer.from('f'), 1, 'ucs2'));
-
-// test hex encoding
-assert.strictEqual(
-  Buffer.from(b.toString('hex'), 'hex')
-    .includes('64', 0, 'hex'),
-  true
-);
-assert.strictEqual(
-  Buffer.from(b.toString('hex'), 'hex')
-    .includes(Buffer.from('64', 'hex'), 0, 'hex'),
-  true
-);
-
-// test base64 encoding
-assert.strictEqual(
-  Buffer.from(b.toString('base64'), 'base64')
-    .includes('ZA==', 0, 'base64'),
-  true
-);
-assert.strictEqual(
-  Buffer.from(b.toString('base64'), 'base64')
-    .includes(Buffer.from('ZA==', 'base64'), 0, 'base64'),
-  true
-);
-
-// test ascii encoding
-assert.strictEqual(
-  Buffer.from(b.toString('ascii'), 'ascii')
-    .includes('d', 0, 'ascii'),
-  true
-);
-assert.strictEqual(
-  Buffer.from(b.toString('ascii'), 'ascii')
-    .includes(Buffer.from('d', 'ascii'), 0, 'ascii'),
-  true
-);
-
-// test latin1 encoding
-assert.strictEqual(
-  Buffer.from(b.toString('latin1'), 'latin1')
-    .includes('d', 0, 'latin1'),
-  true
-);
-assert.strictEqual(
-  Buffer.from(b.toString('latin1'), 'latin1')
-    .includes(Buffer.from('d', 'latin1'), 0, 'latin1'),
-  true
-);
-
-// test binary encoding
-assert.strictEqual(
-  Buffer.from(b.toString('binary'), 'binary')
-    .includes('d', 0, 'binary'),
-  true
-);
-assert.strictEqual(
-  Buffer.from(b.toString('binary'), 'binary')
-    .includes(Buffer.from('d', 'binary'), 0, 'binary'),
-  true
-);
-
-
-// test usc2 encoding
-var twoByteString = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');
-
-assert(twoByteString.includes('\u0395', 4, 'ucs2'));
-assert(twoByteString.includes('\u03a3', -4, 'ucs2'));
-assert(twoByteString.includes('\u03a3', -6, 'ucs2'));
-assert(twoByteString.includes(
-  Buffer.from('\u03a3', 'ucs2'), -6, 'ucs2'));
-assert(!twoByteString.includes('\u03a3', -2, 'ucs2'));
-
-var mixedByteStringUcs2 =
-    Buffer.from('\u039a\u0391abc\u03a3\u03a3\u0395', 'ucs2');
-assert(mixedByteStringUcs2.includes('bc', 0, 'ucs2'));
-assert(mixedByteStringUcs2.includes('\u03a3', 0, 'ucs2'));
-assert(!mixedByteStringUcs2.includes('\u0396', 0, 'ucs2'));
-
-assert(
-    6, mixedByteStringUcs2.includes(Buffer.from('bc', 'ucs2'), 0, 'ucs2'));
-assert(
-    10, mixedByteStringUcs2.includes(Buffer.from('\u03a3', 'ucs2'),
-    0, 'ucs2'));
-assert(
-    -1, mixedByteStringUcs2.includes(Buffer.from('\u0396', 'ucs2'),
-    0, 'ucs2'));
-
-twoByteString = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');
-
-// Test single char pattern
-assert(twoByteString.includes('\u039a', 0, 'ucs2'));
-assert(twoByteString.includes('\u0391', 0, 'ucs2'), 'Alpha');
-assert(twoByteString.includes('\u03a3', 0, 'ucs2'), 'First Sigma');
-assert(twoByteString.includes('\u03a3', 6, 'ucs2'), 'Second Sigma');
-assert(twoByteString.includes('\u0395', 0, 'ucs2'), 'Epsilon');
-assert(!twoByteString.includes('\u0392', 0, 'ucs2'), 'Not beta');
-
-// Test multi-char pattern
-assert(twoByteString.includes('\u039a\u0391', 0, 'ucs2'), 'Lambda Alpha');
-assert(twoByteString.includes('\u0391\u03a3', 0, 'ucs2'), 'Alpha Sigma');
-assert(twoByteString.includes('\u03a3\u03a3', 0, 'ucs2'), 'Sigma Sigma');
-assert(twoByteString.includes('\u03a3\u0395', 0, 'ucs2'), 'Sigma Epsilon');
-
-var mixedByteStringUtf8 = Buffer.from('\u039a\u0391abc\u03a3\u03a3\u0395');
-assert(mixedByteStringUtf8.includes('bc'));
-assert(mixedByteStringUtf8.includes('bc', 5));
-assert(mixedByteStringUtf8.includes('bc', -8));
-assert(mixedByteStringUtf8.includes('\u03a3'));
-assert(!mixedByteStringUtf8.includes('\u0396'));
-
-
-// Test complex string includes algorithms. Only trigger for long strings.
-// Long string that isn't a simple repeat of a shorter string.
-var longString = 'A';
-for (var i = 66; i < 76; i++) {  // from 'B' to 'K'
-  longString = longString + String.fromCharCode(i) + longString;
-}
-
-var longBufferString = Buffer.from(longString);
-
-// pattern of 15 chars, repeated every 16 chars in long
-var pattern = 'ABACABADABACABA';
-for (var i = 0; i < longBufferString.length - pattern.length; i += 7) {
-  var includes = longBufferString.includes(pattern, i);
-  assert(includes, 'Long ABACABA...-string at index ' + i);
-}
-assert(longBufferString.includes('AJABACA'), 'Long AJABACA, First J');
-assert(longBufferString.includes('AJABACA', 511), 'Long AJABACA, Second J');
-
-pattern = 'JABACABADABACABA';
-assert(longBufferString.includes(pattern), 'Long JABACABA..., First J');
-assert(longBufferString.includes(pattern, 512), 'Long JABACABA..., Second J');
-
-// Search for a non-ASCII string in a pure ASCII string.
-var asciiString = Buffer.from(
-    'arglebargleglopglyfarglebargleglopglyfarglebargleglopglyf');
-assert(!asciiString.includes('\x2061'));
-assert(asciiString.includes('leb', 0));
-
-// Search in string containing many non-ASCII chars.
-var allCodePoints = [];
-for (var i = 0; i < 65536; i++) allCodePoints[i] = i;
-var allCharsString = String.fromCharCode.apply(String, allCodePoints);
-var allCharsBufferUtf8 = Buffer.from(allCharsString);
-var allCharsBufferUcs2 = Buffer.from(allCharsString, 'ucs2');
-
-// Search for string long enough to trigger complex search with ASCII pattern
-// and UC16 subject.
-assert(!allCharsBufferUtf8.includes('notfound'));
-assert(!allCharsBufferUcs2.includes('notfound'));
-
-// Find substrings in Utf8.
-var lengths = [1, 3, 15];  // Single char, simple and complex.
-var indices = [0x5, 0x60, 0x400, 0x680, 0x7ee, 0xFF02, 0x16610, 0x2f77b];
-for (var lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) {
-  for (var i = 0; i < indices.length; i++) {
-    var index = indices[i];
-    var length = lengths[lengthIndex];
-
-    if (index + length > 0x7F) {
-      length = 2 * length;
-    }
-
-    if (index + length > 0x7FF) {
-      length = 3 * length;
-    }
-
-    if (index + length > 0xFFFF) {
-      length = 4 * length;
-    }
-
-    var patternBufferUtf8 = allCharsBufferUtf8.slice(index, index + length);
-    assert(index, allCharsBufferUtf8.includes(patternBufferUtf8));
-
-    var patternStringUtf8 = patternBufferUtf8.toString();
-    assert(index, allCharsBufferUtf8.includes(patternStringUtf8));
-  }
-}
-
-// Find substrings in Usc2.
-lengths = [2, 4, 16];  // Single char, simple and complex.
-indices = [0x5, 0x65, 0x105, 0x205, 0x285, 0x2005, 0x2085, 0xfff0];
-for (var lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) {
-  for (var i = 0; i < indices.length; i++) {
-    var index = indices[i] * 2;
-    var length = lengths[lengthIndex];
-
-    var patternBufferUcs2 =
-        allCharsBufferUcs2.slice(index, index + length);
-    assert(
-        index, allCharsBufferUcs2.includes(patternBufferUcs2, 0, 'ucs2'));
-
-    var patternStringUcs2 = patternBufferUcs2.toString('ucs2');
-    assert(
-        index, allCharsBufferUcs2.includes(patternStringUcs2, 0, 'ucs2'));
-  }
-}
-
-assert.throws(function() {
-  b.includes(function() { });
-});
-assert.throws(function() {
-  b.includes({});
-});
-assert.throws(function() {
-  b.includes([]);
-});
-
-// test truncation of Number arguments to uint8
-{
-  var buf = Buffer.from('this is a test');
-  assert.ok(buf.includes(0x6973));
-  assert.ok(buf.includes(0x697320));
-  assert.ok(buf.includes(0x69732069));
-  assert.ok(buf.includes(0x697374657374));
-  assert.ok(buf.includes(0x69737374));
-  assert.ok(buf.includes(0x69737465));
-  assert.ok(buf.includes(0x69737465));
-  assert.ok(buf.includes(-140));
-  assert.ok(buf.includes(-152));
-  assert.ok(!buf.includes(0xff));
-  assert.ok(!buf.includes(0xffff));
-}
-
diff --git a/node_modules/buffer/test/node/test-buffer-indexof.js b/node_modules/buffer/test/node/test-buffer-indexof.js
deleted file mode 100644
index 24502c3f4..000000000
--- a/node_modules/buffer/test/node/test-buffer-indexof.js
+++ /dev/null
@@ -1,523 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-var assert = require('assert');
-
-var Buffer = require('../../').Buffer;
-
-var b = Buffer.from('abcdef');
-var buf_a = Buffer.from('a');
-var buf_bc = Buffer.from('bc');
-var buf_f = Buffer.from('f');
-var buf_z = Buffer.from('z');
-var buf_empty = Buffer.from('');
-
-assert.equal(b.indexOf('a'), 0);
-assert.equal(b.indexOf('a', 1), -1);
-assert.equal(b.indexOf('a', -1), -1);
-assert.equal(b.indexOf('a', -4), -1);
-assert.equal(b.indexOf('a', -b.length), 0);
-assert.equal(b.indexOf('a', NaN), 0);
-assert.equal(b.indexOf('a', -Infinity), 0);
-assert.equal(b.indexOf('a', Infinity), -1);
-assert.equal(b.indexOf('bc'), 1);
-assert.equal(b.indexOf('bc', 2), -1);
-assert.equal(b.indexOf('bc', -1), -1);
-assert.equal(b.indexOf('bc', -3), -1);
-assert.equal(b.indexOf('bc', -5), 1);
-assert.equal(b.indexOf('bc', NaN), 1);
-assert.equal(b.indexOf('bc', -Infinity), 1);
-assert.equal(b.indexOf('bc', Infinity), -1);
-assert.equal(b.indexOf('f'), b.length - 1);
-assert.equal(b.indexOf('z'), -1);
-assert.equal(b.indexOf(''), -1);
-assert.equal(b.indexOf('', 1), -1);
-assert.equal(b.indexOf('', b.length + 1), -1);
-assert.equal(b.indexOf('', Infinity), -1);
-assert.equal(b.indexOf(buf_a), 0);
-assert.equal(b.indexOf(buf_a, 1), -1);
-assert.equal(b.indexOf(buf_a, -1), -1);
-assert.equal(b.indexOf(buf_a, -4), -1);
-assert.equal(b.indexOf(buf_a, -b.length), 0);
-assert.equal(b.indexOf(buf_a, NaN), 0);
-assert.equal(b.indexOf(buf_a, -Infinity), 0);
-assert.equal(b.indexOf(buf_a, Infinity), -1);
-assert.equal(b.indexOf(buf_bc), 1);
-assert.equal(b.indexOf(buf_bc, 2), -1);
-assert.equal(b.indexOf(buf_bc, -1), -1);
-assert.equal(b.indexOf(buf_bc, -3), -1);
-assert.equal(b.indexOf(buf_bc, -5), 1);
-assert.equal(b.indexOf(buf_bc, NaN), 1);
-assert.equal(b.indexOf(buf_bc, -Infinity), 1);
-assert.equal(b.indexOf(buf_bc, Infinity), -1);
-assert.equal(b.indexOf(buf_f), b.length - 1);
-assert.equal(b.indexOf(buf_z), -1);
-assert.equal(b.indexOf(buf_empty), -1);
-assert.equal(b.indexOf(buf_empty, 1), -1);
-assert.equal(b.indexOf(buf_empty, b.length + 1), -1);
-assert.equal(b.indexOf(buf_empty, Infinity), -1);
-assert.equal(b.indexOf(0x61), 0);
-assert.equal(b.indexOf(0x61, 1), -1);
-assert.equal(b.indexOf(0x61, -1), -1);
-assert.equal(b.indexOf(0x61, -4), -1);
-assert.equal(b.indexOf(0x61, -b.length), 0);
-assert.equal(b.indexOf(0x61, NaN), 0);
-assert.equal(b.indexOf(0x61, -Infinity), 0);
-assert.equal(b.indexOf(0x61, Infinity), -1);
-assert.equal(b.indexOf(0x0), -1);
-
-// test offsets
-assert.equal(b.indexOf('d', 2), 3);
-assert.equal(b.indexOf('f', 5), 5);
-assert.equal(b.indexOf('f', -1), 5);
-assert.equal(b.indexOf('f', 6), -1);
-
-assert.equal(b.indexOf(Buffer.from('d'), 2), 3);
-assert.equal(b.indexOf(Buffer.from('f'), 5), 5);
-assert.equal(b.indexOf(Buffer.from('f'), -1), 5);
-assert.equal(b.indexOf(Buffer.from('f'), 6), -1);
-
-assert.equal(Buffer.from('ff').indexOf(Buffer.from('f'), 1, 'ucs2'), -1);
-
-// test hex encoding
-assert.strictEqual(
-  Buffer.from(b.toString('hex'), 'hex')
-    .indexOf('64', 0, 'hex'),
-  3
-);
-assert.strictEqual(
-  Buffer.from(b.toString('hex'), 'hex')
-    .indexOf(Buffer.from('64', 'hex'), 0, 'hex'),
-  3
-);
-
-// test base64 encoding
-assert.strictEqual(
-  Buffer.from(b.toString('base64'), 'base64')
-    .indexOf('ZA==', 0, 'base64'),
-  3
-);
-assert.strictEqual(
-  Buffer.from(b.toString('base64'), 'base64')
-    .indexOf(Buffer.from('ZA==', 'base64'), 0, 'base64'),
-  3
-);
-
-// test ascii encoding
-assert.strictEqual(
-  Buffer.from(b.toString('ascii'), 'ascii')
-    .indexOf('d', 0, 'ascii'),
-  3
-);
-assert.strictEqual(
-  Buffer.from(b.toString('ascii'), 'ascii')
-    .indexOf(Buffer.from('d', 'ascii'), 0, 'ascii'),
-  3
-);
-
-// test latin1 encoding
-assert.strictEqual(
-  Buffer.from(b.toString('latin1'), 'latin1')
-    .indexOf('d', 0, 'latin1'),
-  3
-);
-assert.strictEqual(
-  Buffer.from(b.toString('latin1'), 'latin1')
-    .indexOf(Buffer.from('d', 'latin1'), 0, 'latin1'),
-  3
-);
-assert.strictEqual(
-  Buffer.from('aa\u00e8aa', 'latin1')
-    .indexOf('\u00e8', 'latin1'),
-  2
-);
-assert.strictEqual(
-  Buffer.from('\u00e8', 'latin1')
-    .indexOf('\u00e8', 'latin1'),
-  0
-);
-assert.strictEqual(
-  Buffer.from('\u00e8', 'latin1')
-    .indexOf(Buffer.from('\u00e8', 'latin1'), 'latin1'),
-  0
-);
-
-// test binary encoding
-assert.strictEqual(
-  Buffer.from(b.toString('binary'), 'binary')
-    .indexOf('d', 0, 'binary'),
-  3
-);
-assert.strictEqual(
-  Buffer.from(b.toString('binary'), 'binary')
-    .indexOf(Buffer.from('d', 'binary'), 0, 'binary'),
-  3
-);
-assert.strictEqual(
-  Buffer.from('aa\u00e8aa', 'binary')
-    .indexOf('\u00e8', 'binary'),
-  2
-);
-assert.strictEqual(
-  Buffer.from('\u00e8', 'binary')
-    .indexOf('\u00e8', 'binary'),
-  0
-);
-assert.strictEqual(
-  Buffer.from('\u00e8', 'binary')
-    .indexOf(Buffer.from('\u00e8', 'binary'), 'binary'),
-  0
-);
-
-
-// test optional offset with passed encoding
-assert.equal(Buffer.from('aaaa0').indexOf('30', 'hex'), 4);
-assert.equal(Buffer.from('aaaa00a').indexOf('3030', 'hex'), 4);
-
-{
-  // test usc2 encoding
-  var twoByteString = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');
-
-  assert.equal(8, twoByteString.indexOf('\u0395', 4, 'ucs2'));
-  assert.equal(6, twoByteString.indexOf('\u03a3', -4, 'ucs2'));
-  assert.equal(4, twoByteString.indexOf('\u03a3', -6, 'ucs2'));
-  assert.equal(4, twoByteString.indexOf(
-    Buffer.from('\u03a3', 'ucs2'), -6, 'ucs2'));
-  assert.equal(-1, twoByteString.indexOf('\u03a3', -2, 'ucs2'));
-}
-
-var mixedByteStringUcs2 =
-    Buffer.from('\u039a\u0391abc\u03a3\u03a3\u0395', 'ucs2');
-assert.equal(6, mixedByteStringUcs2.indexOf('bc', 0, 'ucs2'));
-assert.equal(10, mixedByteStringUcs2.indexOf('\u03a3', 0, 'ucs2'));
-assert.equal(-1, mixedByteStringUcs2.indexOf('\u0396', 0, 'ucs2'));
-
-assert.equal(
-    6, mixedByteStringUcs2.indexOf(Buffer.from('bc', 'ucs2'), 0, 'ucs2'));
-assert.equal(
-    10, mixedByteStringUcs2.indexOf(Buffer.from('\u03a3', 'ucs2'), 0, 'ucs2'));
-assert.equal(
-    -1, mixedByteStringUcs2.indexOf(Buffer.from('\u0396', 'ucs2'), 0, 'ucs2'));
-
-{
-  var twoByteString = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'ucs2');
-
-  // Test single char pattern
-  assert.equal(0, twoByteString.indexOf('\u039a', 0, 'ucs2'));
-  assert.equal(2, twoByteString.indexOf('\u0391', 0, 'ucs2'), 'Alpha');
-  assert.equal(4, twoByteString.indexOf('\u03a3', 0, 'ucs2'), 'First Sigma');
-  assert.equal(6, twoByteString.indexOf('\u03a3', 6, 'ucs2'), 'Second Sigma');
-  assert.equal(8, twoByteString.indexOf('\u0395', 0, 'ucs2'), 'Epsilon');
-  assert.equal(-1, twoByteString.indexOf('\u0392', 0, 'ucs2'), 'Not beta');
-
-  // Test multi-char pattern
-  assert.equal(
-      0, twoByteString.indexOf('\u039a\u0391', 0, 'ucs2'), 'Lambda Alpha');
-  assert.equal(
-      2, twoByteString.indexOf('\u0391\u03a3', 0, 'ucs2'), 'Alpha Sigma');
-  assert.equal(
-      4, twoByteString.indexOf('\u03a3\u03a3', 0, 'ucs2'), 'Sigma Sigma');
-  assert.equal(
-      6, twoByteString.indexOf('\u03a3\u0395', 0, 'ucs2'), 'Sigma Epsilon');
-}
-
-var mixedByteStringUtf8 = Buffer.from('\u039a\u0391abc\u03a3\u03a3\u0395');
-assert.equal(5, mixedByteStringUtf8.indexOf('bc'));
-assert.equal(5, mixedByteStringUtf8.indexOf('bc', 5));
-assert.equal(5, mixedByteStringUtf8.indexOf('bc', -8));
-assert.equal(7, mixedByteStringUtf8.indexOf('\u03a3'));
-assert.equal(-1, mixedByteStringUtf8.indexOf('\u0396'));
-
-
-// Test complex string indexOf algorithms. Only trigger for long strings.
-// Long string that isn't a simple repeat of a shorter string.
-var longString = 'A';
-for (var i = 66; i < 76; i++) {  // from 'B' to 'K'
-  longString = longString + String.fromCharCode(i) + longString;
-}
-
-var longBufferString = Buffer.from(longString);
-
-// pattern of 15 chars, repeated every 16 chars in long
-var pattern = 'ABACABADABACABA';
-for (var i = 0; i < longBufferString.length - pattern.length; i += 7) {
-  var index = longBufferString.indexOf(pattern, i);
-  assert.equal((i + 15) & ~0xf, index, 'Long ABACABA...-string at index ' + i);
-}
-assert.equal(510, longBufferString.indexOf('AJABACA'), 'Long AJABACA, First J');
-assert.equal(
-    1534, longBufferString.indexOf('AJABACA', 511), 'Long AJABACA, Second J');
-
-pattern = 'JABACABADABACABA';
-assert.equal(
-    511, longBufferString.indexOf(pattern), 'Long JABACABA..., First J');
-assert.equal(
-    1535, longBufferString.indexOf(pattern, 512), 'Long JABACABA..., Second J');
-
-// Search for a non-ASCII string in a pure ASCII string.
-var asciiString = Buffer.from(
-    'arglebargleglopglyfarglebargleglopglyfarglebargleglopglyf');
-assert.equal(-1, asciiString.indexOf('\x2061'));
-assert.equal(3, asciiString.indexOf('leb', 0));
-
-// Search in string containing many non-ASCII chars.
-var allCodePoints = [];
-for (var i = 0; i < 65536; i++) allCodePoints[i] = i;
-var allCharsString = String.fromCharCode.apply(String, allCodePoints);
-var allCharsBufferUtf8 = Buffer.from(allCharsString);
-var allCharsBufferUcs2 = Buffer.from(allCharsString, 'ucs2');
-
-// Search for string long enough to trigger complex search with ASCII pattern
-// and UC16 subject.
-assert.equal(-1, allCharsBufferUtf8.indexOf('notfound'));
-assert.equal(-1, allCharsBufferUcs2.indexOf('notfound'));
-
-// Needle is longer than haystack, but only because it's encoded as UTF-16
-assert.strictEqual(Buffer.from('aaaa').indexOf('a'.repeat(4), 'ucs2'), -1);
-
-assert.strictEqual(Buffer.from('aaaa').indexOf('a'.repeat(4), 'utf8'), 0);
-assert.strictEqual(Buffer.from('aaaa').indexOf('你好', 'ucs2'), -1);
-
-// Haystack has odd length, but the needle is UCS2.
-// assert.strictEqual(Buffer.from('aaaaa').indexOf('b', 'ucs2'), -1);
-
-{
-  // Find substrings in Utf8.
-  var lengths = [1, 3, 15];  // Single char, simple and complex.
-  var indices = [0x5, 0x60, 0x400, 0x680, 0x7ee, 0xFF02, 0x16610, 0x2f77b];
-  for (var lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) {
-    for (var i = 0; i < indices.length; i++) {
-      var index = indices[i];
-      var length = lengths[lengthIndex];
-
-      if (index + length > 0x7F) {
-        length = 2 * length;
-      }
-
-      if (index + length > 0x7FF) {
-        length = 3 * length;
-      }
-
-      if (index + length > 0xFFFF) {
-        length = 4 * length;
-      }
-
-      var patternBufferUtf8 = allCharsBufferUtf8.slice(index, index + length);
-      assert.equal(index, allCharsBufferUtf8.indexOf(patternBufferUtf8));
-
-      var patternStringUtf8 = patternBufferUtf8.toString();
-      assert.equal(index, allCharsBufferUtf8.indexOf(patternStringUtf8));
-    }
-  }
-}
-
-{
-  // Find substrings in Usc2.
-  var lengths = [2, 4, 16];  // Single char, simple and complex.
-  var indices = [0x5, 0x65, 0x105, 0x205, 0x285, 0x2005, 0x2085, 0xfff0];
-  for (var lengthIndex = 0; lengthIndex < lengths.length; lengthIndex++) {
-    for (var i = 0; i < indices.length; i++) {
-      var index = indices[i] * 2;
-      var length = lengths[lengthIndex];
-
-      var patternBufferUcs2 =
-          allCharsBufferUcs2.slice(index, index + length);
-      assert.equal(
-          index, allCharsBufferUcs2.indexOf(patternBufferUcs2, 0, 'ucs2'));
-
-      var patternStringUcs2 = patternBufferUcs2.toString('ucs2');
-      assert.equal(
-          index, allCharsBufferUcs2.indexOf(patternStringUcs2, 0, 'ucs2'));
-    }
-  }
-}
-
-assert.throws(function() {
-  b.indexOf(function() { });
-});
-assert.throws(function() {
-  b.indexOf({});
-});
-assert.throws(function() {
-  b.indexOf([]);
-});
-
-// All code for handling encodings is shared between Buffer.indexOf and
-// Buffer.lastIndexOf, so only testing the separate lastIndexOf semantics.
-
-// Test lastIndexOf basic functionality; Buffer b contains 'abcdef'.
-// lastIndexOf string:
-assert.equal(b.lastIndexOf('a'), 0);
-assert.equal(b.lastIndexOf('a', 1), 0);
-assert.equal(b.lastIndexOf('b', 1), 1);
-assert.equal(b.lastIndexOf('c', 1), -1);
-assert.equal(b.lastIndexOf('a', -1), 0);
-assert.equal(b.lastIndexOf('a', -4), 0);
-assert.equal(b.lastIndexOf('a', -b.length), 0);
-assert.equal(b.lastIndexOf('a', -b.length - 1), -1);
-assert.equal(b.lastIndexOf('a', NaN), 0);
-assert.equal(b.lastIndexOf('a', -Infinity), -1);
-assert.equal(b.lastIndexOf('a', Infinity), 0);
-// lastIndexOf Buffer:
-assert.equal(b.lastIndexOf(buf_a), 0);
-assert.equal(b.lastIndexOf(buf_a, 1), 0);
-assert.equal(b.lastIndexOf(buf_a, -1), 0);
-assert.equal(b.lastIndexOf(buf_a, -4), 0);
-assert.equal(b.lastIndexOf(buf_a, -b.length), 0);
-assert.equal(b.lastIndexOf(buf_a, -b.length - 1), -1);
-assert.equal(b.lastIndexOf(buf_a, NaN), 0);
-assert.equal(b.lastIndexOf(buf_a, -Infinity), -1);
-assert.equal(b.lastIndexOf(buf_a, Infinity), 0);
-assert.equal(b.lastIndexOf(buf_bc), 1);
-assert.equal(b.lastIndexOf(buf_bc, 2), 1);
-assert.equal(b.lastIndexOf(buf_bc, -1), 1);
-assert.equal(b.lastIndexOf(buf_bc, -3), 1);
-assert.equal(b.lastIndexOf(buf_bc, -5), 1);
-assert.equal(b.lastIndexOf(buf_bc, -6), -1);
-assert.equal(b.lastIndexOf(buf_bc, NaN), 1);
-assert.equal(b.lastIndexOf(buf_bc, -Infinity), -1);
-assert.equal(b.lastIndexOf(buf_bc, Infinity), 1);
-assert.equal(b.lastIndexOf(buf_f), b.length - 1);
-assert.equal(b.lastIndexOf(buf_z), -1);
-assert.equal(b.lastIndexOf(buf_empty), -1);
-assert.equal(b.lastIndexOf(buf_empty, 1), -1);
-assert.equal(b.lastIndexOf(buf_empty, b.length + 1), -1);
-assert.equal(b.lastIndexOf(buf_empty, Infinity), -1);
-// lastIndexOf number:
-assert.equal(b.lastIndexOf(0x61), 0);
-assert.equal(b.lastIndexOf(0x61, 1), 0);
-assert.equal(b.lastIndexOf(0x61, -1), 0);
-assert.equal(b.lastIndexOf(0x61, -4), 0);
-assert.equal(b.lastIndexOf(0x61, -b.length), 0);
-assert.equal(b.lastIndexOf(0x61, -b.length - 1), -1);
-assert.equal(b.lastIndexOf(0x61, NaN), 0);
-assert.equal(b.lastIndexOf(0x61, -Infinity), -1);
-assert.equal(b.lastIndexOf(0x61, Infinity), 0);
-assert.equal(b.lastIndexOf(0x0), -1);
-
-// Test weird offset arguments.
-// Behaviour should match String.lastIndexOf:
-assert.equal(b.lastIndexOf('b', 0), -1);
-assert.equal(b.lastIndexOf('b', undefined), 1);
-assert.equal(b.lastIndexOf('b', null), -1);
-assert.equal(b.lastIndexOf('b', {}), 1);
-assert.equal(b.lastIndexOf('b', []), -1);
-assert.equal(b.lastIndexOf('b', [2]), 1);
-
-// Test needles longer than the haystack.
-assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 'ucs2'), -1);
-assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 'utf8'), -1);
-assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 'latin1'), -1);
-assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 'binary'), -1);
-assert.strictEqual(b.lastIndexOf(Buffer.from('aaaaaaaaaaaaaaa')), -1);
-assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 2, 'ucs2'), -1);
-assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 3, 'utf8'), -1);
-assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 5, 'latin1'), -1);
-assert.strictEqual(b.lastIndexOf('aaaaaaaaaaaaaaa', 5, 'binary'), -1);
-assert.strictEqual(b.lastIndexOf(Buffer.from('aaaaaaaaaaaaaaa'), 7), -1);
-
-// 你好 expands to a total of 6 bytes using UTF-8 and 4 bytes using UTF-16
-assert.strictEqual(buf_bc.lastIndexOf('你好', 'ucs2'), -1);
-assert.strictEqual(buf_bc.lastIndexOf('你好', 'utf8'), -1);
-assert.strictEqual(buf_bc.lastIndexOf('你好', 'latin1'), -1);
-assert.strictEqual(buf_bc.lastIndexOf('你好', 'binary'), -1);
-assert.strictEqual(buf_bc.lastIndexOf(Buffer.from('你好')), -1);
-assert.strictEqual(buf_bc.lastIndexOf('你好', 2, 'ucs2'), -1);
-assert.strictEqual(buf_bc.lastIndexOf('你好', 3, 'utf8'), -1);
-assert.strictEqual(buf_bc.lastIndexOf('你好', 5, 'latin1'), -1);
-assert.strictEqual(buf_bc.lastIndexOf('你好', 5, 'binary'), -1);
-assert.strictEqual(buf_bc.lastIndexOf(Buffer.from('你好'), 7), -1);
-
-// Test lastIndexOf on a longer buffer:
-var bufferString = new Buffer('a man a plan a canal panama');
-assert.equal(15, bufferString.lastIndexOf('canal'));
-assert.equal(21, bufferString.lastIndexOf('panama'));
-assert.equal(0, bufferString.lastIndexOf('a man a plan a canal panama'));
-assert.equal(-1, bufferString.lastIndexOf('a man a plan a canal mexico'));
-assert.equal(-1, bufferString.lastIndexOf('a man a plan a canal mexico city'));
-assert.equal(-1, bufferString.lastIndexOf(Buffer.from('a'.repeat(1000))));
-assert.equal(0, bufferString.lastIndexOf('a man a plan', 4));
-assert.equal(13, bufferString.lastIndexOf('a '));
-assert.equal(13, bufferString.lastIndexOf('a ', 13));
-assert.equal(6, bufferString.lastIndexOf('a ', 12));
-assert.equal(0, bufferString.lastIndexOf('a ', 5));
-assert.equal(13, bufferString.lastIndexOf('a ', -1));
-assert.equal(0, bufferString.lastIndexOf('a ', -27));
-assert.equal(-1, bufferString.lastIndexOf('a ', -28));
-
-// Test lastIndexOf for the case that the first character can be found,
-// but in a part of the buffer that does not make search to search
-// due do length constraints.
-var abInUCS2 = Buffer.from('ab', 'ucs2');
-assert.strictEqual(-1, Buffer.from('µaaaa¶bbbb', 'latin1').lastIndexOf('µ'));
-assert.strictEqual(-1, Buffer.from('µaaaa¶bbbb', 'binary').lastIndexOf('µ'));
-assert.strictEqual(-1, Buffer.from('bc').lastIndexOf('ab'));
-assert.strictEqual(-1, Buffer.from('abc').lastIndexOf('qa'));
-assert.strictEqual(-1, Buffer.from('abcdef').lastIndexOf('qabc'));
-assert.strictEqual(-1, Buffer.from('bc').lastIndexOf(Buffer.from('ab')));
-assert.strictEqual(-1, Buffer.from('bc', 'ucs2').lastIndexOf('ab', 'ucs2'));
-assert.strictEqual(-1, Buffer.from('bc', 'ucs2').lastIndexOf(abInUCS2));
-
-assert.strictEqual(0, Buffer.from('abc').lastIndexOf('ab'));
-assert.strictEqual(0, Buffer.from('abc').lastIndexOf('ab', 1));
-assert.strictEqual(0, Buffer.from('abc').lastIndexOf('ab', 2));
-assert.strictEqual(0, Buffer.from('abc').lastIndexOf('ab', 3));
-
-// The above tests test the LINEAR and SINGLE-CHAR strategies.
-// Now, we test the BOYER-MOORE-HORSPOOL strategy.
-// Test lastIndexOf on a long buffer w multiple matches:
-pattern = 'JABACABADABACABA';
-assert.equal(1535, longBufferString.lastIndexOf(pattern));
-assert.equal(1535, longBufferString.lastIndexOf(pattern, 1535));
-assert.equal(511, longBufferString.lastIndexOf(pattern, 1534));
-
-// Finally, give it a really long input to trigger fallback from BMH to
-// regular BOYER-MOORE (which has better worst-case complexity).
-
-// Generate a really long Thue-Morse sequence of 'yolo' and 'swag',
-// "yolo swag swag yolo swag yolo yolo swag" ..., goes on for about 5MB.
-// This is hard to search because it all looks similar, but never repeats.
-
-// countBits returns the number of bits in the binary reprsentation of n.
-function countBits(n) {
-  for (var count = 0; n > 0; count++) {
-    n = n & (n - 1); // remove top bit
-  }
-  return count;
-}
-var parts = [];
-for (var i = 0; i < 1000000; i++) {
-  parts.push((countBits(i) % 2 === 0) ? 'yolo' : 'swag');
-}
-var reallyLong = new Buffer(parts.join(' '));
-assert.equal('yolo swag swag yolo', reallyLong.slice(0, 19).toString());
-
-// Expensive reverse searches. Stress test lastIndexOf:
-pattern = reallyLong.slice(0, 100000);  // First 1/50th of the pattern.
-assert.equal(4751360, reallyLong.lastIndexOf(pattern));
-assert.equal(3932160, reallyLong.lastIndexOf(pattern, 4000000));
-assert.equal(2949120, reallyLong.lastIndexOf(pattern, 3000000));
-pattern = reallyLong.slice(100000, 200000);  // Second 1/50th.
-assert.equal(4728480, reallyLong.lastIndexOf(pattern));
-pattern = reallyLong.slice(0, 1000000);  // First 1/5th.
-assert.equal(3932160, reallyLong.lastIndexOf(pattern));
-pattern = reallyLong.slice(0, 2000000);  // first 2/5ths.
-assert.equal(0, reallyLong.lastIndexOf(pattern));
-
-// test truncation of Number arguments to uint8
-{
-  var buf = Buffer.from('this is a test');
-  assert.strictEqual(buf.indexOf(0x6973), 3);
-  assert.strictEqual(buf.indexOf(0x697320), 4);
-  assert.strictEqual(buf.indexOf(0x69732069), 2);
-  assert.strictEqual(buf.indexOf(0x697374657374), 0);
-  assert.strictEqual(buf.indexOf(0x69737374), 0);
-  assert.strictEqual(buf.indexOf(0x69737465), 11);
-  assert.strictEqual(buf.indexOf(0x69737465), 11);
-  assert.strictEqual(buf.indexOf(-140), 0);
-  assert.strictEqual(buf.indexOf(-152), 1);
-  assert.strictEqual(buf.indexOf(0xff), -1);
-  assert.strictEqual(buf.indexOf(0xffff), -1);
-}
-
diff --git a/node_modules/buffer/test/node/test-buffer-inheritance.js b/node_modules/buffer/test/node/test-buffer-inheritance.js
deleted file mode 100644
index 711d9f23f..000000000
--- a/node_modules/buffer/test/node/test-buffer-inheritance.js
+++ /dev/null
@@ -1,42 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-
-var assert = require('assert');
-
-
-function T(n) {
-  var ui8 = new Uint8Array(n);
-  Object.setPrototypeOf(ui8, T.prototype);
-  return ui8;
-}
-Object.setPrototypeOf(T.prototype, Buffer.prototype);
-Object.setPrototypeOf(T, Buffer);
-
-T.prototype.sum = function sum() {
-  var cntr = 0;
-  for (var i = 0; i < this.length; i++)
-    cntr += this[i];
-  return cntr;
-};
-
-
-var vals = [new T(4), T(4)];
-
-vals.forEach(function(t) {
-  assert.equal(t.constructor, T);
-  assert.equal(Object.getPrototypeOf(t), T.prototype);
-  assert.equal(Object.getPrototypeOf(Object.getPrototypeOf(t)),
-    Buffer.prototype);
-
-  t.fill(5);
-  var cntr = 0;
-  for (var i = 0; i < t.length; i++)
-    cntr += t[i];
-  assert.equal(t.length * 5, cntr);
-
-  // Check this does not throw
-  t.toString();
-});
-
diff --git a/node_modules/buffer/test/node/test-buffer-inspect.js b/node_modules/buffer/test/node/test-buffer-inspect.js
deleted file mode 100644
index d0ed590d4..000000000
--- a/node_modules/buffer/test/node/test-buffer-inspect.js
+++ /dev/null
@@ -1,41 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-var assert = require('assert');
-
-var util = require('util');
-
-var buffer = require('../../');
-
-buffer.INSPECT_MAX_BYTES = 2;
-
-var b = Buffer.allocUnsafe(4);
-b.fill('1234');
-
-var s = buffer.SlowBuffer(4);
-s.fill('1234');
-
-var expected = '<Buffer 31 32 ... >';
-
-assert.strictEqual(util.inspect(b), expected);
-assert.strictEqual(util.inspect(s), expected);
-
-b = Buffer.allocUnsafe(2);
-b.fill('12');
-
-s = buffer.SlowBuffer(2);
-s.fill('12');
-
-expected = '<Buffer 31 32>';
-
-assert.strictEqual(util.inspect(b), expected);
-assert.strictEqual(util.inspect(s), expected);
-
-buffer.INSPECT_MAX_BYTES = Infinity;
-
-assert.doesNotThrow(function() {
-  assert.strictEqual(util.inspect(b), expected);
-  assert.strictEqual(util.inspect(s), expected);
-});
-
diff --git a/node_modules/buffer/test/node/test-buffer-iterator.js b/node_modules/buffer/test/node/test-buffer-iterator.js
deleted file mode 100644
index f27709f31..000000000
--- a/node_modules/buffer/test/node/test-buffer-iterator.js
+++ /dev/null
@@ -1,65 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-var assert = require('assert');
-
-var buffer = Buffer.from([1, 2, 3, 4, 5]);
-var arr;
-var b;
-
-// buffers should be iterable
-
-arr = [];
-
-for (b of buffer)
-  arr.push(b);
-
-assert.deepStrictEqual(arr, [1, 2, 3, 4, 5]);
-
-
-// buffer iterators should be iterable
-
-arr = [];
-
-for (b of buffer[Symbol.iterator]())
-  arr.push(b);
-
-assert.deepStrictEqual(arr, [1, 2, 3, 4, 5]);
-
-
-// buffer#values() should return iterator for values
-
-arr = [];
-
-for (b of buffer.values())
-  arr.push(b);
-
-assert.deepStrictEqual(arr, [1, 2, 3, 4, 5]);
-
-
-// buffer#keys() should return iterator for keys
-
-arr = [];
-
-for (b of buffer.keys())
-  arr.push(b);
-
-assert.deepStrictEqual(arr, [0, 1, 2, 3, 4]);
-
-
-// buffer#entries() should return iterator for entries
-
-arr = [];
-
-for (b of buffer.entries())
-  arr.push(b);
-
-assert.deepStrictEqual(arr, [
-  [0, 1],
-  [1, 2],
-  [2, 3],
-  [3, 4],
-  [4, 5]
-]);
-
diff --git a/node_modules/buffer/test/node/test-buffer-safe-unsafe.js b/node_modules/buffer/test/node/test-buffer-safe-unsafe.js
deleted file mode 100644
index 22ba29e85..000000000
--- a/node_modules/buffer/test/node/test-buffer-safe-unsafe.js
+++ /dev/null
@@ -1,27 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-
-var assert = require('assert');
-
-var safe = Buffer.alloc(10);
-
-function isZeroFilled(buf) {
-  for (var n = 0; n < buf.length; n++)
-    if (buf[n] !== 0) return false;
-  return true;
-}
-
-assert(isZeroFilled(safe));
-
-// Test that unsafe allocations doesn't affect subsequent safe allocations
-Buffer.allocUnsafe(10);
-assert(isZeroFilled(new Float64Array(10)));
-
-new Buffer(10);
-assert(isZeroFilled(new Float64Array(10)));
-
-Buffer.allocUnsafe(10);
-assert(isZeroFilled(Buffer.alloc(10)));
-
diff --git a/node_modules/buffer/test/node/test-buffer-slow.js b/node_modules/buffer/test/node/test-buffer-slow.js
deleted file mode 100644
index 65cea21ed..000000000
--- a/node_modules/buffer/test/node/test-buffer-slow.js
+++ /dev/null
@@ -1,63 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-
-var assert = require('assert');
-var buffer = require('../../');
-var Buffer = buffer.Buffer;
-var SlowBuffer = buffer.SlowBuffer;
-
-var ones = [1, 1, 1, 1];
-
-// should create a Buffer
-var sb = SlowBuffer(4);
-assert(sb instanceof Buffer);
-assert.strictEqual(sb.length, 4);
-sb.fill(1);
-for (var [key, value] of sb.entries()) {
-  assert.deepStrictEqual(value, ones[key]);
-}
-
-// underlying ArrayBuffer should have the same length
-assert.strictEqual(sb.buffer.byteLength, 4);
-
-// should work without new
-sb = SlowBuffer(4);
-assert(sb instanceof Buffer);
-assert.strictEqual(sb.length, 4);
-sb.fill(1);
-for (var [key, value] of sb.entries()) {
-  assert.deepStrictEqual(value, ones[key]);
-}
-
-// should work with edge cases
-assert.strictEqual(SlowBuffer(0).length, 0);
-try {
-  assert.strictEqual(
-    SlowBuffer(buffer.kMaxLength).length, buffer.kMaxLength);
-} catch (e) {
-  assert.equal(e.message, 'Array buffer allocation failed');
-}
-
-// should work with number-coercible values
-assert.strictEqual(SlowBuffer('6').length, 6);
-assert.strictEqual(SlowBuffer(true).length, 1);
-
-// should create zero-length buffer if parameter is not a number
-assert.strictEqual(SlowBuffer().length, 0);
-assert.strictEqual(SlowBuffer(NaN).length, 0);
-assert.strictEqual(SlowBuffer({}).length, 0);
-assert.strictEqual(SlowBuffer('string').length, 0);
-
-// should throw with invalid length
-assert.throws(function() {
-  SlowBuffer(Infinity);
-}, 'invalid Buffer length');
-assert.throws(function() {
-  SlowBuffer(-1);
-}, 'invalid Buffer length');
-assert.throws(function() {
-  SlowBuffer(buffer.kMaxLength + 1);
-}, 'invalid Buffer length');
-
diff --git a/node_modules/buffer/test/node/test-buffer-swap.js b/node_modules/buffer/test/node/test-buffer-swap.js
deleted file mode 100644
index 2ec1a7aac..000000000
--- a/node_modules/buffer/test/node/test-buffer-swap.js
+++ /dev/null
@@ -1,141 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-
-var assert = require('assert');
-
-// Test buffers small enough to use the JS implementation
-var buf = Buffer.from([0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
-                         0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10]);
-
-assert.strictEqual(buf, buf.swap16());
-assert.deepStrictEqual(buf, Buffer.from([0x02, 0x01, 0x04, 0x03, 0x06, 0x05,
-                                         0x08, 0x07, 0x0a, 0x09, 0x0c, 0x0b,
-                                         0x0e, 0x0d, 0x10, 0x0f]));
-buf.swap16(); // restore
-
-assert.strictEqual(buf, buf.swap32());
-assert.deepStrictEqual(buf, Buffer.from([0x04, 0x03, 0x02, 0x01, 0x08, 0x07,
-                                         0x06, 0x05, 0x0c, 0x0b, 0x0a, 0x09,
-                                         0x10, 0x0f, 0x0e, 0x0d]));
-buf.swap32(); // restore
-
-assert.strictEqual(buf, buf.swap64());
-assert.deepStrictEqual(buf, Buffer.from([0x08, 0x07, 0x06, 0x05, 0x04, 0x03,
-                                         0x02, 0x01, 0x10, 0x0f, 0x0e, 0x0d,
-                                         0x0c, 0x0b, 0x0a, 0x09]));
-
-// Operates in-place
-var buf3 = Buffer.from([0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7]);
-buf3.slice(1, 5).swap32();
-assert.deepStrictEqual(buf3, Buffer.from([0x1, 0x5, 0x4, 0x3, 0x2, 0x6, 0x7]));
-
-buf3.slice(1, 5).swap16();
-assert.deepStrictEqual(buf3, Buffer.from([0x1, 0x4, 0x5, 0x2, 0x3, 0x6, 0x7]));
-
-var buf3_64 = Buffer.from([0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
-                             0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
-                             0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
-                             0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10]);
-buf3_64.slice(2, 18).swap64();
-assert.deepStrictEqual(buf3_64, Buffer.from([0x01, 0x02, 0x0a, 0x09, 0x08, 0x07,
-                                             0x06, 0x05, 0x04, 0x03, 0x02, 0x01,
-                                             0x10, 0x0f, 0x0e, 0x0d, 0x0c, 0x0b,
-                                             0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
-                                             0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
-                                             0x0f, 0x10]));
-
-// Force use of native code (Buffer size above threshold limit for js impl)
-var buf4A = new Uint32Array(256).fill(0x04030201);
-var buf4 = Buffer.from(buf4A.buffer, buf4A.byteOffset);
-var buf5A = new Uint32Array(256).fill(0x03040102);
-var buf5 = Buffer.from(buf5A.buffer, buf5A.byteOffset);
-
-buf4.swap16();
-assert.deepStrictEqual(buf4, buf5);
-
-var buf6A = new Uint32Array(256).fill(0x04030201);
-var buf6 = Buffer.from(buf6A.buffer);
-var bu7A = new Uint32Array(256).fill(0x01020304);
-var buf7 = Buffer.from(bu7A.buffer, bu7A.byteOffset);
-
-buf6.swap32();
-assert.deepStrictEqual(buf6, buf7);
-
-var buf8A = new Uint8Array(256 * 8);
-var buf9A = new Uint8Array(256 * 8);
-for (var i = 0; i < buf8A.length; i++) {
-  buf8A[i] = i % 8;
-  buf9A[buf9A.length - i - 1] = i % 8;
-}
-var buf8 = Buffer.from(buf8A.buffer, buf8A.byteOffset);
-var buf9 = Buffer.from(buf9A.buffer, buf9A.byteOffset);
-
-buf8.swap64();
-assert.deepStrictEqual(buf8, buf9);
-
-// Test native code with buffers that are not memory-aligned
-var buf10A = new Uint8Array(256 * 8);
-var buf11A = new Uint8Array(256 * 8 - 2);
-for (var i = 0; i < buf10A.length; i++) {
-  buf10A[i] = i % 2;
-}
-for (var i = 1; i < buf11A.length; i++) {
-  buf11A[buf11A.length - i] = (i + 1) % 2;
-}
-var buf10 = Buffer.from(buf10A.buffer, buf10A.byteOffset);
-// 0|1 0|1 0|1...
-var buf11 = Buffer.from(buf11A.buffer, buf11A.byteOffset);
-// 0|0 1|0 1|0...
-
-buf10.slice(1, buf10.length - 1).swap16();
-assert.deepStrictEqual(buf10.slice(0, buf11.length), buf11);
-
-
-var buf12A = new Uint8Array(256 * 8);
-var buf13A = new Uint8Array(256 * 8 - 4);
-for (var i = 0; i < buf12A.length; i++) {
-  buf12A[i] = i % 4;
-}
-for (var i = 1; i < buf13A.length; i++) {
-  buf13A[buf13A.length - i] = (i + 1) % 4;
-}
-var buf12 = Buffer.from(buf12A.buffer, buf12A.byteOffset);
-// 0|1 2 3 0|1 2 3...
-var buf13 = Buffer.from(buf13A.buffer, buf13A.byteOffset);
-// 0|0 3 2 1|0 3 2...
-
-buf12.slice(1, buf12.length - 3).swap32();
-assert.deepStrictEqual(buf12.slice(0, buf13.length), buf13);
-
-
-var buf14A = new Uint8Array(256 * 8);
-var buf15A = new Uint8Array(256 * 8 - 8);
-for (var i = 0; i < buf14A.length; i++) {
-  buf14A[i] = i % 8;
-}
-for (var i = 1; i < buf15A.length; i++) {
-  buf15A[buf15A.length - i] = (i + 1) % 8;
-}
-var buf14 = Buffer.from(buf14A.buffer, buf14A.byteOffset);
-// 0|1 2 3 4 5 6 7 0|1 2 3 4...
-var buf15 = Buffer.from(buf15A.buffer, buf15A.byteOffset);
-// 0|0 7 6 5 4 3 2 1|0 7 6 5...
-
-buf14.slice(1, buf14.length - 7).swap64();
-assert.deepStrictEqual(buf14.slice(0, buf15.length), buf15);
-
-// Length assertions
-var re16 = /Buffer size must be a multiple of 16-bits/;
-var re32 = /Buffer size must be a multiple of 32-bits/;
-var re64 = /Buffer size must be a multiple of 64-bits/;
-
-assert.throws(() => Buffer.from(buf3).swap16(), re16);
-assert.throws(() => Buffer.alloc(1025).swap16(), re16);
-assert.throws(() => Buffer.from(buf3).swap32(), re32);
-assert.throws(() => buf3.slice(1, 3).swap32(), re32);
-assert.throws(() => Buffer.alloc(1025).swap32(), re32);
-assert.throws(() => buf3.slice(1, 3).swap64(), re64);
-assert.throws(() => Buffer.alloc(1025).swap64(), re64);
-
diff --git a/node_modules/buffer/test/node/test-buffer-zero-fill-cli.js b/node_modules/buffer/test/node/test-buffer-zero-fill-cli.js
deleted file mode 100644
index 744b33497..000000000
--- a/node_modules/buffer/test/node/test-buffer-zero-fill-cli.js
+++ /dev/null
@@ -1,35 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-// Flags: --zero-fill-buffers
-
-// when using --zero-fill-buffers, every Buffer and SlowBuffer
-// instance must be zero filled upon creation
-
-
-var SlowBuffer = require('../../').SlowBuffer;
-var assert = require('assert');
-
-function isZeroFilled(buf) {
-  for (var n = 0; n < buf.length; n++)
-    if (buf[n] > 0) return false;
-  return true;
-}
-
-// This can be somewhat unreliable because the
-// allocated memory might just already happen to
-// contain all zeroes. The test is run multiple
-// times to improve the reliability.
-for (var i = 0; i < 50; i++) {
-  var bufs = [
-    Buffer.alloc(20),
-    Buffer.allocUnsafe(20),
-    SlowBuffer(20),
-    Buffer(20),
-    new SlowBuffer(20)
-  ];
-  for (var buf of bufs) {
-    assert(isZeroFilled(buf));
-  }
-}
-
diff --git a/node_modules/buffer/test/node/test-buffer-zero-fill-reset.js b/node_modules/buffer/test/node/test-buffer-zero-fill-reset.js
deleted file mode 100644
index b21a6b262..000000000
--- a/node_modules/buffer/test/node/test-buffer-zero-fill-reset.js
+++ /dev/null
@@ -1,22 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-
-
-var assert = require('assert');
-
-
-function testUint8Array(ui) {
-  var length = ui.length;
-  for (var i = 0; i < length; i++)
-    if (ui[i] !== 0) return false;
-  return true;
-}
-
-
-for (var i = 0; i < 100; i++) {
-  Buffer.alloc(0);
-  var ui = new Uint8Array(65);
-  assert.ok(testUint8Array(ui), 'Uint8Array is not zero-filled');
-}
-
diff --git a/node_modules/buffer/test/node/test-buffer.js b/node_modules/buffer/test/node/test-buffer.js
deleted file mode 100644
index 2e94de211..000000000
--- a/node_modules/buffer/test/node/test-buffer.js
+++ /dev/null
@@ -1,1534 +0,0 @@
-'use strict';
-var Buffer = require('../../').Buffer;
-
-var common = { skip: function () {} };
-var assert = require('assert');
-
-var Buffer = require('../../').Buffer;
-var SlowBuffer = require('../../').SlowBuffer;
-
-// counter to ensure unique value is always copied
-var cntr = 0;
-
-var b = Buffer(1024); // safe constructor
-
-// console.log('b.length == %d', b.length);
-assert.strictEqual(1024, b.length);
-
-b[0] = -1;
-assert.strictEqual(b[0], 255);
-
-for (var i = 0; i < 1024; i++) {
-  b[i] = i % 256;
-}
-
-for (var i = 0; i < 1024; i++) {
-  assert.strictEqual(i % 256, b[i]);
-}
-
-var c = Buffer(512);
-// console.log('c.length == %d', c.length);
-assert.strictEqual(512, c.length);
-
-var d = new Buffer([]);
-assert.strictEqual(0, d.length);
-
-var ui32 = new Uint32Array(4).fill(42);
-var e = Buffer(ui32);
-for (var [key, value] of e.entries()) {
-  assert.deepStrictEqual(value, ui32[key]);
-}
-
-// First check Buffer#fill() works as expected.
-
-assert.throws(function() {
-  Buffer(8).fill('a', -1);
-});
-
-assert.throws(function() {
-  Buffer(8).fill('a', 0, 9);
-});
-
-// Make sure this doesn't hang indefinitely.
-Buffer(8).fill('');
-
-{
-  var buf = new Buffer(64);
-  buf.fill(10);
-  for (var i = 0; i < buf.length; i++)
-    assert.equal(buf[i], 10);
-
-  buf.fill(11, 0, buf.length >> 1);
-  for (var i = 0; i < buf.length >> 1; i++)
-    assert.equal(buf[i], 11);
-  for (var i = (buf.length >> 1) + 1; i < buf.length; i++)
-    assert.equal(buf[i], 10);
-
-  buf.fill('h');
-  for (var i = 0; i < buf.length; i++)
-    assert.equal('h'.charCodeAt(0), buf[i]);
-
-  buf.fill(0);
-  for (var i = 0; i < buf.length; i++)
-    assert.equal(0, buf[i]);
-
-  buf.fill(null);
-  for (var i = 0; i < buf.length; i++)
-    assert.equal(0, buf[i]);
-
-  buf.fill(1, 16, 32);
-  for (var i = 0; i < 16; i++)
-    assert.equal(0, buf[i]);
-  for (var i = 16; i < 32; i++)
-    assert.equal(1, buf[i]);
-  for (var i = 32; i < buf.length; i++)
-    assert.equal(0, buf[i]);
-}
-
-{
-  var buf = new Buffer(10);
-  buf.fill('abc');
-  assert.equal(buf.toString(), 'abcabcabca');
-  buf.fill('է');
-  assert.equal(buf.toString(), 'էէէէէ');
-}
-
-{
-  // copy 512 bytes, from 0 to 512.
-  b.fill(++cntr);
-  c.fill(++cntr);
-  var copied = b.copy(c, 0, 0, 512);
-//   console.log('copied %d bytes from b into c', copied);
-  assert.strictEqual(512, copied);
-  for (var i = 0; i < c.length; i++) {
-    assert.strictEqual(b[i], c[i]);
-  }
-}
-
-{
-  // copy c into b, without specifying sourceEnd
-  b.fill(++cntr);
-  c.fill(++cntr);
-  var copied = c.copy(b, 0, 0);
-//   console.log('copied %d bytes from c into b w/o sourceEnd', copied);
-  assert.strictEqual(c.length, copied);
-  for (var i = 0; i < c.length; i++) {
-    assert.strictEqual(c[i], b[i]);
-  }
-}
-
-{
-  // copy c into b, without specifying sourceStart
-  b.fill(++cntr);
-  c.fill(++cntr);
-  var copied = c.copy(b, 0);
-//   console.log('copied %d bytes from c into b w/o sourceStart', copied);
-  assert.strictEqual(c.length, copied);
-  for (var i = 0; i < c.length; i++) {
-    assert.strictEqual(c[i], b[i]);
-  }
-}
-
-{
-  // copy longer buffer b to shorter c without targetStart
-  b.fill(++cntr);
-  c.fill(++cntr);
-  var copied = b.copy(c);
-//   console.log('copied %d bytes from b into c w/o targetStart', copied);
-  assert.strictEqual(c.length, copied);
-  for (var i = 0; i < c.length; i++) {
-    assert.strictEqual(b[i], c[i]);
-  }
-}
-
-{
-  // copy starting near end of b to c
-  b.fill(++cntr);
-  c.fill(++cntr);
-  var copied = b.copy(c, 0, b.length - Math.floor(c.length / 2));
-//   console.log('copied %d bytes from end of b into beginning of c', copied);
-  assert.strictEqual(Math.floor(c.length / 2), copied);
-  for (var i = 0; i < Math.floor(c.length / 2); i++) {
-    assert.strictEqual(b[b.length - Math.floor(c.length / 2) + i], c[i]);
-  }
-  for (var i = Math.floor(c.length / 2) + 1; i < c.length; i++) {
-    assert.strictEqual(c[c.length - 1], c[i]);
-  }
-}
-
-{
-  // try to copy 513 bytes, and check we don't overrun c
-  b.fill(++cntr);
-  c.fill(++cntr);
-  var copied = b.copy(c, 0, 0, 513);
-//   console.log('copied %d bytes from b trying to overrun c', copied);
-  assert.strictEqual(c.length, copied);
-  for (var i = 0; i < c.length; i++) {
-    assert.strictEqual(b[i], c[i]);
-  }
-}
-
-{
-  // copy 768 bytes from b into b
-  b.fill(++cntr);
-  b.fill(++cntr, 256);
-  var copied = b.copy(b, 0, 256, 1024);
-//   console.log('copied %d bytes from b into b', copied);
-  assert.strictEqual(768, copied);
-  for (var i = 0; i < b.length; i++) {
-    assert.strictEqual(cntr, b[i]);
-  }
-}
-
-// copy string longer than buffer length (failure will segfault)
-var bb = Buffer(10);
-bb.fill('hello crazy world');
-
-
-// try to copy from before the beginning of b
-assert.doesNotThrow(() => { b.copy(c, 0, 100, 10); });
-
-// copy throws at negative sourceStart
-assert.throws(function() {
-  Buffer(5).copy(Buffer(5), 0, -1);
-}, RangeError);
-
-{
-  // check sourceEnd resets to targetEnd if former is greater than the latter
-  b.fill(++cntr);
-  c.fill(++cntr);
-  var copied = b.copy(c, 0, 0, 1025);
-//   console.log('copied %d bytes from b into c', copied);
-  for (var i = 0; i < c.length; i++) {
-    assert.strictEqual(b[i], c[i]);
-  }
-}
-
-// throw with negative sourceEnd
-// console.log('test copy at negative sourceEnd');
-assert.throws(function() {
-  b.copy(c, 0, 0, -1);
-}, RangeError);
-
-// when sourceStart is greater than sourceEnd, zero copied
-assert.equal(b.copy(c, 0, 100, 10), 0);
-
-// when targetStart > targetLength, zero copied
-assert.equal(b.copy(c, 512, 0, 10), 0);
-
-var caught_error;
-
-// invalid encoding for Buffer.toString
-caught_error = null;
-try {
-  b.toString('invalid');
-} catch (err) {
-  caught_error = err;
-}
-assert.strictEqual('Unknown encoding: invalid', caught_error.message);
-
-// invalid encoding for Buffer.write
-caught_error = null;
-try {
-  b.write('test string', 0, 5, 'invalid');
-} catch (err) {
-  caught_error = err;
-}
-assert.strictEqual('Unknown encoding: invalid', caught_error.message);
-
-// try to create 0-length buffers
-new Buffer('');
-new Buffer('', 'ascii');
-new Buffer('', 'latin1');
-new Buffer('', 'binary');
-Buffer(0);
-
-// try to write a 0-length string beyond the end of b
-assert.throws(function() {
-  b.write('', 2048);
-}, RangeError);
-
-// throw when writing to negative offset
-assert.throws(function() {
-  b.write('a', -1);
-}, RangeError);
-
-// throw when writing past bounds from the pool
-assert.throws(function() {
-  b.write('a', 2048);
-}, RangeError);
-
-// throw when writing to negative offset
-assert.throws(function() {
-  b.write('a', -1);
-}, RangeError);
-
-// try to copy 0 bytes worth of data into an empty buffer
-b.copy(Buffer(0), 0, 0, 0);
-
-// try to copy 0 bytes past the end of the target buffer
-b.copy(Buffer(0), 1, 1, 1);
-b.copy(Buffer(1), 1, 1, 1);
-
-// try to copy 0 bytes from past the end of the source buffer
-b.copy(Buffer(1), 0, 2048, 2048);
-
-var rangeBuffer = new Buffer('abc');
-
-// if start >= buffer's length, empty string will be returned
-assert.equal(rangeBuffer.toString('ascii', 3), '');
-assert.equal(rangeBuffer.toString('ascii', +Infinity), '');
-assert.equal(rangeBuffer.toString('ascii', 3.14, 3), '');
-assert.equal(rangeBuffer.toString('ascii', 'Infinity', 3), '');
-
-// if end <= 0, empty string will be returned
-assert.equal(rangeBuffer.toString('ascii', 1, 0), '');
-assert.equal(rangeBuffer.toString('ascii', 1, -1.2), '');
-assert.equal(rangeBuffer.toString('ascii', 1, -100), '');
-assert.equal(rangeBuffer.toString('ascii', 1, -Infinity), '');
-
-// if start < 0, start will be taken as zero
-assert.equal(rangeBuffer.toString('ascii', -1, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', -1.99, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', -Infinity, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '-1', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '-1.99', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '-Infinity', 3), 'abc');
-
-// if start is an invalid integer, start will be taken as zero
-assert.equal(rangeBuffer.toString('ascii', 'node.js', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', {}, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', [], 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', NaN, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', null, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', undefined, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', false, 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '', 3), 'abc');
-
-// but, if start is an integer when coerced, then it will be coerced and used.
-assert.equal(rangeBuffer.toString('ascii', '-1', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '1', 3), 'bc');
-assert.equal(rangeBuffer.toString('ascii', '-Infinity', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', '3', 3), '');
-assert.equal(rangeBuffer.toString('ascii', Number(3), 3), '');
-assert.equal(rangeBuffer.toString('ascii', '3.14', 3), '');
-assert.equal(rangeBuffer.toString('ascii', '1.99', 3), 'bc');
-assert.equal(rangeBuffer.toString('ascii', '-1.99', 3), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 1.99, 3), 'bc');
-assert.equal(rangeBuffer.toString('ascii', true, 3), 'bc');
-
-// if end > buffer's length, end will be taken as buffer's length
-assert.equal(rangeBuffer.toString('ascii', 0, 5), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, 6.99), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, Infinity), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, '5'), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, '6.99'), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, 'Infinity'), 'abc');
-
-// if end is an invalid integer, end will be taken as buffer's length
-assert.equal(rangeBuffer.toString('ascii', 0, 'node.js'), '');
-assert.equal(rangeBuffer.toString('ascii', 0, {}), '');
-assert.equal(rangeBuffer.toString('ascii', 0, NaN), '');
-assert.equal(rangeBuffer.toString('ascii', 0, undefined), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, null), '');
-assert.equal(rangeBuffer.toString('ascii', 0, []), '');
-assert.equal(rangeBuffer.toString('ascii', 0, false), '');
-assert.equal(rangeBuffer.toString('ascii', 0, ''), '');
-
-// but, if end is an integer when coerced, then it will be coerced and used.
-assert.equal(rangeBuffer.toString('ascii', 0, '-1'), '');
-assert.equal(rangeBuffer.toString('ascii', 0, '1'), 'a');
-assert.equal(rangeBuffer.toString('ascii', 0, '-Infinity'), '');
-assert.equal(rangeBuffer.toString('ascii', 0, '3'), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, Number(3)), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, '3.14'), 'abc');
-assert.equal(rangeBuffer.toString('ascii', 0, '1.99'), 'a');
-assert.equal(rangeBuffer.toString('ascii', 0, '-1.99'), '');
-assert.equal(rangeBuffer.toString('ascii', 0, 1.99), 'a');
-assert.equal(rangeBuffer.toString('ascii', 0, true), 'a');
-
-// try toString() with a object as a encoding
-assert.equal(rangeBuffer.toString({toString: function() {
-  return 'ascii';
-}}), 'abc');
-
-// testing for smart defaults and ability to pass string values as offset
-var writeTest = new Buffer('abcdes');
-writeTest.write('n', 'ascii');
-writeTest.write('o', '1', 'ascii');
-writeTest.write('d', '2', 'ascii');
-writeTest.write('e', 3, 'ascii');
-writeTest.write('j', 4, 'ascii');
-assert.equal(writeTest.toString(), 'nodejs');
-
-// ASCII slice test
-{
-  var asciiString = 'hello world';
-
-  for (var i = 0; i < asciiString.length; i++) {
-    b[i] = asciiString.charCodeAt(i);
-  }
-  var asciiSlice = b.toString('ascii', 0, asciiString.length);
-  assert.equal(asciiString, asciiSlice);
-}
-
-{
-  var asciiString = 'hello world';
-  var offset = 100;
-
-  var written = b.write(asciiString, offset, 'ascii');
-  assert.equal(asciiString.length, written);
-  var asciiSlice = b.toString('ascii', offset, offset + asciiString.length);
-  assert.equal(asciiString, asciiSlice);
-}
-
-{
-  var asciiString = 'hello world';
-  var offset = 100;
-
-  var sliceA = b.slice(offset, offset + asciiString.length);
-  var sliceB = b.slice(offset, offset + asciiString.length);
-  for (var i = 0; i < asciiString.length; i++) {
-    assert.equal(sliceA[i], sliceB[i]);
-  }
-}
-
-// UTF-8 slice test
-
-var utf8String = '¡hέlló wôrld!';
-var offset = 100;
-
-b.write(utf8String, 0, Buffer.byteLength(utf8String), 'utf8');
-var utf8Slice = b.toString('utf8', 0, Buffer.byteLength(utf8String));
-assert.equal(utf8String, utf8Slice);
-
-var written = b.write(utf8String, offset, 'utf8');
-assert.equal(Buffer.byteLength(utf8String), written);
-utf8Slice = b.toString('utf8', offset, offset + Buffer.byteLength(utf8String));
-assert.equal(utf8String, utf8Slice);
-
-var sliceA = b.slice(offset, offset + Buffer.byteLength(utf8String));
-var sliceB = b.slice(offset, offset + Buffer.byteLength(utf8String));
-for (var i = 0; i < Buffer.byteLength(utf8String); i++) {
-  assert.equal(sliceA[i], sliceB[i]);
-}
-
-{
-  var slice = b.slice(100, 150);
-  assert.equal(50, slice.length);
-  for (var i = 0; i < 50; i++) {
-    assert.equal(b[100 + i], slice[i]);
-  }
-}
-
-{
-  // make sure only top level parent propagates from allocPool
-  var b = new Buffer(5);
-  var c = b.slice(0, 4);
-  var d = c.slice(0, 2);
-  assert.equal(b.parent, c.parent);
-  assert.equal(b.parent, d.parent);
-}
-
-{
-  // also from a non-pooled instance
-  var b = new SlowBuffer(5);
-  var c = b.slice(0, 4);
-  var d = c.slice(0, 2);
-  assert.equal(c.parent, d.parent);
-}
-
-{
-  // Bug regression test
-  var testValue = '\u00F6\u65E5\u672C\u8A9E'; // ö日本語
-  var buffer = new Buffer(32);
-  var size = buffer.write(testValue, 0, 'utf8');
-//   console.log('bytes written to buffer: ' + size);
-  var slice = buffer.toString('utf8', 0, size);
-  assert.equal(slice, testValue);
-}
-
-{
-  // Test triple  slice
-  var a = new Buffer(8);
-  for (var i = 0; i < 8; i++) a[i] = i;
-  var b = a.slice(4, 8);
-  assert.equal(4, b[0]);
-  assert.equal(5, b[1]);
-  assert.equal(6, b[2]);
-  assert.equal(7, b[3]);
-  var c = b.slice(2, 4);
-  assert.equal(6, c[0]);
-  assert.equal(7, c[1]);
-}
-
-{
-  var d = new Buffer([23, 42, 255]);
-  assert.equal(d.length, 3);
-  assert.equal(d[0], 23);
-  assert.equal(d[1], 42);
-  assert.equal(d[2], 255);
-  assert.deepStrictEqual(d, new Buffer(d));
-}
-
-{
-  var e = new Buffer('über');
-//   console.error('uber: \'%s\'', e.toString());
-  assert.deepStrictEqual(e, new Buffer([195, 188, 98, 101, 114]));
-}
-
-{
-  var f = new Buffer('über', 'ascii');
-//   console.error('f.length: %d     (should be 4)', f.length);
-  assert.deepStrictEqual(f, new Buffer([252, 98, 101, 114]));
-}
-
-['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
-  {
-    var f = new Buffer('über', encoding);
-//     console.error('f.length: %d     (should be 8)', f.length);
-    assert.deepStrictEqual(f, new Buffer([252, 0, 98, 0, 101, 0, 114, 0]));
-  }
-
-  {
-    var f = new Buffer('привет', encoding);
-//     console.error('f.length: %d     (should be 12)', f.length);
-    var expected = new Buffer([63, 4, 64, 4, 56, 4, 50, 4, 53, 4, 66, 4]);
-    assert.deepStrictEqual(f, expected);
-    assert.equal(f.toString(encoding), 'привет');
-  }
-
-  {
-    var f = new Buffer([0, 0, 0, 0, 0]);
-    assert.equal(f.length, 5);
-    var size = f.write('あいうえお', encoding);
-//     console.error('bytes written to buffer: %d     (should be 4)', size);
-    assert.equal(size, 4);
-    assert.deepStrictEqual(f, new Buffer([0x42, 0x30, 0x44, 0x30, 0x00]));
-  }
-});
-
-{
-  var f = new Buffer('\uD83D\uDC4D', 'utf-16le'); // THUMBS UP SIGN (U+1F44D)
-  assert.equal(f.length, 4);
-  assert.deepStrictEqual(f, new Buffer('3DD84DDC', 'hex'));
-}
-
-
-var arrayIsh = {0: 0, 1: 1, 2: 2, 3: 3, length: 4};
-var g = new Buffer(arrayIsh);
-assert.deepStrictEqual(g, new Buffer([0, 1, 2, 3]));
-var strArrayIsh = {0: '0', 1: '1', 2: '2', 3: '3', length: 4};
-g = new Buffer(strArrayIsh);
-assert.deepStrictEqual(g, new Buffer([0, 1, 2, 3]));
-
-
-//
-// Test toString('base64')
-//
-assert.equal('TWFu', (new Buffer('Man')).toString('base64'));
-
-{
-  // test that regular and URL-safe base64 both work
-  var expected = [0xff, 0xff, 0xbe, 0xff, 0xef, 0xbf, 0xfb, 0xef, 0xff];
-  assert.deepStrictEqual(Buffer('//++/++/++//', 'base64'), Buffer(expected));
-  assert.deepStrictEqual(Buffer('__--_--_--__', 'base64'), Buffer(expected));
-}
-
-{
-  // big example
-  var quote = 'Man is distinguished, not only by his reason, but by this ' +
-                'singular passion from other animals, which is a lust ' +
-                'of the mind, that by a perseverance of delight in the ' +
-                'continued and indefatigable generation of knowledge, ' +
-                'exceeds the short vehemence of any carnal pleasure.';
-  var expected = 'TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb' +
-                   '24sIGJ1dCBieSB0aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlci' +
-                   'BhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2YgdGhlIG1pbmQsIHRoYXQ' +
-                   'gYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu' +
-                   'dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZ' +
-                   'GdlLCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm' +
-                   '5hbCBwbGVhc3VyZS4=';
-  assert.equal(expected, (new Buffer(quote)).toString('base64'));
-
-  var b = new Buffer(1024);
-  var bytesWritten = b.write(expected, 0, 'base64');
-  assert.equal(quote.length, bytesWritten);
-  assert.equal(quote, b.toString('ascii', 0, quote.length));
-
-  // check that the base64 decoder ignores whitespace
-  var expectedWhite = expected.slice(0, 60) + ' \n' +
-                        expected.slice(60, 120) + ' \n' +
-                        expected.slice(120, 180) + ' \n' +
-                        expected.slice(180, 240) + ' \n' +
-                        expected.slice(240, 300) + '\n' +
-                        expected.slice(300, 360) + '\n';
-  b = new Buffer(1024);
-  bytesWritten = b.write(expectedWhite, 0, 'base64');
-  assert.equal(quote.length, bytesWritten);
-  assert.equal(quote, b.toString('ascii', 0, quote.length));
-
-  // check that the base64 decoder on the constructor works
-  // even in the presence of whitespace.
-  b = new Buffer(expectedWhite, 'base64');
-  assert.equal(quote.length, b.length);
-  assert.equal(quote, b.toString('ascii', 0, quote.length));
-
-  // check that the base64 decoder ignores illegal chars
-  var expectedIllegal = expected.slice(0, 60) + ' \x80' +
-                          expected.slice(60, 120) + ' \xff' +
-                          expected.slice(120, 180) + ' \x00' +
-                          expected.slice(180, 240) + ' \x98' +
-                          expected.slice(240, 300) + '\x03' +
-                          expected.slice(300, 360);
-  b = new Buffer(expectedIllegal, 'base64');
-  assert.equal(quote.length, b.length);
-  assert.equal(quote, b.toString('ascii', 0, quote.length));
-}
-
-assert.equal(new Buffer('', 'base64').toString(), '');
-assert.equal(new Buffer('K', 'base64').toString(), '');
-
-// multiple-of-4 with padding
-assert.equal(new Buffer('Kg==', 'base64').toString(), '*');
-assert.equal(new Buffer('Kio=', 'base64').toString(), '**');
-assert.equal(new Buffer('Kioq', 'base64').toString(), '***');
-assert.equal(new Buffer('KioqKg==', 'base64').toString(), '****');
-assert.equal(new Buffer('KioqKio=', 'base64').toString(), '*****');
-assert.equal(new Buffer('KioqKioq', 'base64').toString(), '******');
-assert.equal(new Buffer('KioqKioqKg==', 'base64').toString(), '*******');
-assert.equal(new Buffer('KioqKioqKio=', 'base64').toString(), '********');
-assert.equal(new Buffer('KioqKioqKioq', 'base64').toString(), '*********');
-assert.equal(new Buffer('KioqKioqKioqKg==', 'base64').toString(),
-             '**********');
-assert.equal(new Buffer('KioqKioqKioqKio=', 'base64').toString(),
-             '***********');
-assert.equal(new Buffer('KioqKioqKioqKioq', 'base64').toString(),
-             '************');
-assert.equal(new Buffer('KioqKioqKioqKioqKg==', 'base64').toString(),
-             '*************');
-assert.equal(new Buffer('KioqKioqKioqKioqKio=', 'base64').toString(),
-             '**************');
-assert.equal(new Buffer('KioqKioqKioqKioqKioq', 'base64').toString(),
-             '***************');
-assert.equal(new Buffer('KioqKioqKioqKioqKioqKg==', 'base64').toString(),
-             '****************');
-assert.equal(new Buffer('KioqKioqKioqKioqKioqKio=', 'base64').toString(),
-             '*****************');
-assert.equal(new Buffer('KioqKioqKioqKioqKioqKioq', 'base64').toString(),
-             '******************');
-assert.equal(new Buffer('KioqKioqKioqKioqKioqKioqKg==', 'base64').toString(),
-             '*******************');
-assert.equal(new Buffer('KioqKioqKioqKioqKioqKioqKio=', 'base64').toString(),
-             '********************');
-
-// no padding, not a multiple of 4
-assert.equal(new Buffer('Kg', 'base64').toString(), '*');
-assert.equal(new Buffer('Kio', 'base64').toString(), '**');
-assert.equal(new Buffer('KioqKg', 'base64').toString(), '****');
-assert.equal(new Buffer('KioqKio', 'base64').toString(), '*****');
-assert.equal(new Buffer('KioqKioqKg', 'base64').toString(), '*******');
-assert.equal(new Buffer('KioqKioqKio', 'base64').toString(), '********');
-assert.equal(new Buffer('KioqKioqKioqKg', 'base64').toString(), '**********');
-assert.equal(new Buffer('KioqKioqKioqKio', 'base64').toString(), '***********');
-assert.equal(new Buffer('KioqKioqKioqKioqKg', 'base64').toString(),
-             '*************');
-assert.equal(new Buffer('KioqKioqKioqKioqKio', 'base64').toString(),
-             '**************');
-assert.equal(new Buffer('KioqKioqKioqKioqKioqKg', 'base64').toString(),
-             '****************');
-assert.equal(new Buffer('KioqKioqKioqKioqKioqKio', 'base64').toString(),
-             '*****************');
-assert.equal(new Buffer('KioqKioqKioqKioqKioqKioqKg', 'base64').toString(),
-             '*******************');
-assert.equal(new Buffer('KioqKioqKioqKioqKioqKioqKio', 'base64').toString(),
-             '********************');
-
-// handle padding graciously, multiple-of-4 or not
-assert.equal(
-  new Buffer('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw==', 'base64').length,
-  32
-);
-assert.equal(
-  new Buffer('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw=', 'base64').length,
-  32
-);
-assert.equal(
-  new Buffer('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw', 'base64').length,
-  32
-);
-assert.equal(
-  new Buffer('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg==', 'base64').length,
-  31
-);
-assert.equal(
-  new Buffer('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg=', 'base64').length,
-  31
-);
-assert.equal(
-  new Buffer('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg', 'base64').length,
-  31
-);
-
-// This string encodes single '.' character in UTF-16
-var dot = new Buffer('//4uAA==', 'base64');
-assert.equal(dot[0], 0xff);
-assert.equal(dot[1], 0xfe);
-assert.equal(dot[2], 0x2e);
-assert.equal(dot[3], 0x00);
-assert.equal(dot.toString('base64'), '//4uAA==');
-
-{
-  // Writing base64 at a position > 0 should not mangle the result.
-  //
-  // https://github.com/joyent/node/issues/402
-  var segments = ['TWFkbmVzcz8h', 'IFRoaXM=', 'IGlz', 'IG5vZGUuanMh'];
-  var b = new Buffer(64);
-  var pos = 0;
-
-  for (var i = 0; i < segments.length; ++i) {
-    pos += b.write(segments[i], pos, 'base64');
-  }
-  assert.equal(b.toString('latin1', 0, pos), 'Madness?! This is node.js!');
-  assert.equal(b.toString('binary', 0, pos), 'Madness?! This is node.js!');
-}
-
-// Regression test for https://github.com/nodejs/node/issues/3496.
-// assert.equal(Buffer('=bad'.repeat(1e4), 'base64').length, 0);
-
-{
-  // Creating buffers larger than pool size.
-  var l = Buffer.poolSize + 5;
-  var s = 'h'.repeat(l);
-
-  var b = new Buffer(s);
-
-  for (var i = 0; i < l; i++) {
-    assert.equal('h'.charCodeAt(0), b[i]);
-  }
-
-  var sb = b.toString();
-  assert.equal(sb.length, s.length);
-  assert.equal(sb, s);
-}
-
-{
-  // Single argument slice
-  var b = new Buffer('abcde');
-  assert.equal('bcde', b.slice(1).toString());
-}
-
-// slice(0,0).length === 0
-assert.equal(0, Buffer('hello').slice(0, 0).length);
-
-// test hex toString
-// console.log('Create hex string from buffer');
-var hexb = new Buffer(256);
-for (var i = 0; i < 256; i++) {
-  hexb[i] = i;
-}
-var hexStr = hexb.toString('hex');
-assert.equal(hexStr,
-             '000102030405060708090a0b0c0d0e0f' +
-             '101112131415161718191a1b1c1d1e1f' +
-             '202122232425262728292a2b2c2d2e2f' +
-             '303132333435363738393a3b3c3d3e3f' +
-             '404142434445464748494a4b4c4d4e4f' +
-             '505152535455565758595a5b5c5d5e5f' +
-             '606162636465666768696a6b6c6d6e6f' +
-             '707172737475767778797a7b7c7d7e7f' +
-             '808182838485868788898a8b8c8d8e8f' +
-             '909192939495969798999a9b9c9d9e9f' +
-             'a0a1a2a3a4a5a6a7a8a9aaabacadaeaf' +
-             'b0b1b2b3b4b5b6b7b8b9babbbcbdbebf' +
-             'c0c1c2c3c4c5c6c7c8c9cacbcccdcecf' +
-             'd0d1d2d3d4d5d6d7d8d9dadbdcdddedf' +
-             'e0e1e2e3e4e5e6e7e8e9eaebecedeeef' +
-             'f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff');
-
-// console.log('Create buffer from hex string');
-var hexb2 = new Buffer(hexStr, 'hex');
-for (var i = 0; i < 256; i++) {
-  assert.equal(hexb2[i], hexb[i]);
-}
-
-// Test single hex character throws TypeError
-// - https://github.com/nodejs/node/issues/6770
-assert.throws(function() {
-  Buffer.from('A', 'hex');
-}, TypeError);
-
-// Test single base64 char encodes as 0
-// assert.strictEqual(Buffer.from('A', 'base64').length, 0);
-
-{
-  // test an invalid slice end.
-//   console.log('Try to slice off the end of the buffer');
-  var b = new Buffer([1, 2, 3, 4, 5]);
-  var b2 = b.toString('hex', 1, 10000);
-  var b3 = b.toString('hex', 1, 5);
-  var b4 = b.toString('hex', 1);
-  assert.equal(b2, b3);
-  assert.equal(b2, b4);
-}
-
-function buildBuffer(data) {
-  if (Array.isArray(data)) {
-    var buffer = Buffer(data.length);
-    data.forEach(function(v, k) {
-      buffer[k] = v;
-    });
-    return buffer;
-  }
-  return null;
-}
-
-var x = buildBuffer([0x81, 0xa3, 0x66, 0x6f, 0x6f, 0xa3, 0x62, 0x61, 0x72]);
-
-// console.log(x.inspect());
-assert.equal('<Buffer 81 a3 66 6f 6f a3 62 61 72>', x.inspect());
-
-{
-  var z = x.slice(4);
-//   console.log(z.inspect());
-//   console.log(z.length);
-  assert.equal(5, z.length);
-  assert.equal(0x6f, z[0]);
-  assert.equal(0xa3, z[1]);
-  assert.equal(0x62, z[2]);
-  assert.equal(0x61, z[3]);
-  assert.equal(0x72, z[4]);
-}
-
-{
-  var z = x.slice(0);
-//   console.log(z.inspect());
-//   console.log(z.length);
-  assert.equal(z.length, x.length);
-}
-
-{
-  var z = x.slice(0, 4);
-//   console.log(z.inspect());
-//   console.log(z.length);
-  assert.equal(4, z.length);
-  assert.equal(0x81, z[0]);
-  assert.equal(0xa3, z[1]);
-}
-
-{
-  var z = x.slice(0, 9);
-//   console.log(z.inspect());
-//   console.log(z.length);
-  assert.equal(9, z.length);
-}
-
-{
-  var z = x.slice(1, 4);
-//   console.log(z.inspect());
-//   console.log(z.length);
-  assert.equal(3, z.length);
-  assert.equal(0xa3, z[0]);
-}
-
-{
-  var z = x.slice(2, 4);
-//   console.log(z.inspect());
-//   console.log(z.length);
-  assert.equal(2, z.length);
-  assert.equal(0x66, z[0]);
-  assert.equal(0x6f, z[1]);
-}
-
-assert.equal(0, Buffer('hello').slice(0, 0).length);
-
-['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
-  var b = new Buffer(10);
-  b.write('あいうえお', encoding);
-  assert.equal(b.toString(encoding), 'あいうえお');
-});
-
-{
-  // latin1 encoding should write only one byte per character.
-  var b = Buffer([0xde, 0xad, 0xbe, 0xef]);
-  var s = String.fromCharCode(0xffff);
-  b.write(s, 0, 'latin1');
-  assert.equal(0xff, b[0]);
-  assert.equal(0xad, b[1]);
-  assert.equal(0xbe, b[2]);
-  assert.equal(0xef, b[3]);
-  s = String.fromCharCode(0xaaee);
-  b.write(s, 0, 'latin1');
-  assert.equal(0xee, b[0]);
-  assert.equal(0xad, b[1]);
-  assert.equal(0xbe, b[2]);
-  assert.equal(0xef, b[3]);
-}
-
-{
-  // Binary encoding should write only one byte per character.
-  var b = Buffer([0xde, 0xad, 0xbe, 0xef]);
-  var s = String.fromCharCode(0xffff);
-  b.write(s, 0, 'binary');
-  assert.equal(0xff, b[0]);
-  assert.equal(0xad, b[1]);
-  assert.equal(0xbe, b[2]);
-  assert.equal(0xef, b[3]);
-  s = String.fromCharCode(0xaaee);
-  b.write(s, 0, 'binary');
-  assert.equal(0xee, b[0]);
-  assert.equal(0xad, b[1]);
-  assert.equal(0xbe, b[2]);
-  assert.equal(0xef, b[3]);
-}
-
-{
-  // #1210 Test UTF-8 string includes null character
-  var buf = new Buffer('\0');
-  assert.equal(buf.length, 1);
-  buf = new Buffer('\0\0');
-  assert.equal(buf.length, 2);
-}
-
-{
-  var buf = new Buffer(2);
-  var written = buf.write(''); // 0byte
-  assert.equal(written, 0);
-  written = buf.write('\0'); // 1byte (v8 adds null terminator)
-  assert.equal(written, 1);
-  written = buf.write('a\0'); // 1byte * 2
-  assert.equal(written, 2);
-  written = buf.write('あ'); // 3bytes
-  assert.equal(written, 0);
-  written = buf.write('\0あ'); // 1byte + 3bytes
-  assert.equal(written, 1);
-  written = buf.write('\0\0あ'); // 1byte * 2 + 3bytes
-  assert.equal(written, 2);
-}
-
-{
-  var buf = new Buffer(10);
-  written = buf.write('あいう'); // 3bytes * 3 (v8 adds null terminator)
-  assert.equal(written, 9);
-  written = buf.write('あいう\0'); // 3bytes * 3 + 1byte
-  assert.equal(written, 10);
-}
-
-{
-  // #243 Test write() with maxLength
-  var buf = new Buffer(4);
-  buf.fill(0xFF);
-  var written = buf.write('abcd', 1, 2, 'utf8');
-//   console.log(buf);
-  assert.equal(written, 2);
-  assert.equal(buf[0], 0xFF);
-  assert.equal(buf[1], 0x61);
-  assert.equal(buf[2], 0x62);
-  assert.equal(buf[3], 0xFF);
-
-  buf.fill(0xFF);
-  written = buf.write('abcd', 1, 4);
-//   console.log(buf);
-  assert.equal(written, 3);
-  assert.equal(buf[0], 0xFF);
-  assert.equal(buf[1], 0x61);
-  assert.equal(buf[2], 0x62);
-  assert.equal(buf[3], 0x63);
-
-  buf.fill(0xFF);
-  written = buf.write('abcd', 1, 2, 'utf8');
-//   console.log(buf);
-  assert.equal(written, 2);
-  assert.equal(buf[0], 0xFF);
-  assert.equal(buf[1], 0x61);
-  assert.equal(buf[2], 0x62);
-  assert.equal(buf[3], 0xFF);
-
-  buf.fill(0xFF);
-  written = buf.write('abcdef', 1, 2, 'hex');
-//   console.log(buf);
-  assert.equal(written, 2);
-  assert.equal(buf[0], 0xFF);
-  assert.equal(buf[1], 0xAB);
-  assert.equal(buf[2], 0xCD);
-  assert.equal(buf[3], 0xFF);
-
-  ['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) {
-    buf.fill(0xFF);
-    written = buf.write('abcd', 0, 2, encoding);
-//     console.log(buf);
-    assert.equal(written, 2);
-    assert.equal(buf[0], 0x61);
-    assert.equal(buf[1], 0x00);
-    assert.equal(buf[2], 0xFF);
-    assert.equal(buf[3], 0xFF);
-  });
-}
-
-{
-  // test offset returns are correct
-  var b = new Buffer(16);
-  assert.equal(4, b.writeUInt32LE(0, 0));
-  assert.equal(6, b.writeUInt16LE(0, 4));
-  assert.equal(7, b.writeUInt8(0, 6));
-  assert.equal(8, b.writeInt8(0, 7));
-  assert.equal(16, b.writeDoubleLE(0, 8));
-}
-
-{
-  // test unmatched surrogates not producing invalid utf8 output
-  // ef bf bd = utf-8 representation of unicode replacement character
-  // see https://codereview.chromium.org/121173009/
-  var buf = new Buffer('ab\ud800cd', 'utf8');
-  assert.equal(buf[0], 0x61);
-  assert.equal(buf[1], 0x62);
-  assert.equal(buf[2], 0xef);
-  assert.equal(buf[3], 0xbf);
-  assert.equal(buf[4], 0xbd);
-  assert.equal(buf[5], 0x63);
-  assert.equal(buf[6], 0x64);
-}
-
-{
-  // test for buffer overrun
-  var buf = new Buffer([0, 0, 0, 0, 0]); // length: 5
-  var sub = buf.slice(0, 4);         // length: 4
-  written = sub.write('12345', 'latin1');
-  assert.equal(written, 4);
-  assert.equal(buf[4], 0);
-  written = sub.write('12345', 'binary');
-  assert.equal(written, 4);
-  assert.equal(buf[4], 0);
-}
-
-// Check for fractional length args, junk length args, etc.
-// https://github.com/joyent/node/issues/1758
-
-// Call .fill() first, stops valgrind warning about uninitialized memory reads.
-Buffer(3.3).fill().toString(); // throws bad argument error in commit 43cb4ec
-assert.equal(Buffer(NaN).length, 0);
-assert.equal(Buffer(3.3).length, 3);
-assert.equal(Buffer({length: 3.3}).length, 3);
-assert.equal(Buffer({length: 'BAM'}).length, 0);
-
-// Make sure that strings are not coerced to numbers.
-assert.equal(Buffer('99').length, 2);
-assert.equal(Buffer('13.37').length, 5);
-
-// Ensure that the length argument is respected.
-'ascii utf8 hex base64 latin1 binary'.split(' ').forEach(function(enc) {
-  assert.equal(Buffer(1).write('aaaaaa', 0, 1, enc), 1);
-});
-
-{
-  // Regression test, guard against buffer overrun in the base64 decoder.
-  var a = Buffer(3);
-  var b = Buffer('xxx');
-  a.write('aaaaaaaa', 'base64');
-  assert.equal(b.toString(), 'xxx');
-}
-
-// issue GH-3416
-Buffer(Buffer(0), 0, 0);
-
-[ 'hex',
-  'utf8',
-  'utf-8',
-  'ascii',
-  'latin1',
-  'binary',
-  'base64',
-  'ucs2',
-  'ucs-2',
-  'utf16le',
-  'utf-16le' ].forEach(function(enc) {
-    assert.equal(Buffer.isEncoding(enc), true);
-  });
-
-[ 'utf9',
-  'utf-7',
-  'Unicode-FTW',
-  'new gnu gun' ].forEach(function(enc) {
-    assert.equal(Buffer.isEncoding(enc), false);
-  });
-
-
-// GH-5110
-{
-  var buffer = new Buffer('test');
-  var string = JSON.stringify(buffer);
-
-  assert.strictEqual(string, '{"type":"Buffer","data":[116,101,115,116]}');
-
-  assert.deepStrictEqual(buffer, JSON.parse(string, function(key, value) {
-    return value && value.type === 'Buffer'
-      ? new Buffer(value.data)
-      : value;
-  }));
-}
-
-// issue GH-7849
-{
-  var buf = new Buffer('test');
-  var json = JSON.stringify(buf);
-  var obj = JSON.parse(json);
-  var copy = new Buffer(obj);
-
-  assert(buf.equals(copy));
-}
-
-// issue GH-4331
-assert.throws(function() {
-  Buffer(0xFFFFFFFF);
-}, RangeError);
-assert.throws(function() {
-  Buffer(0xFFFFFFFFF);
-}, RangeError);
-
-// issue GH-5587
-assert.throws(function() {
-  var buf = new Buffer(8);
-  buf.writeFloatLE(0, 5);
-}, RangeError);
-assert.throws(function() {
-  var buf = new Buffer(16);
-  buf.writeDoubleLE(0, 9);
-}, RangeError);
-
-
-// attempt to overflow buffers, similar to previous bug in array buffers
-assert.throws(function() {
-  var buf = Buffer(8);
-  buf.readFloatLE(0xffffffff);
-}, RangeError);
-
-assert.throws(function() {
-  var buf = Buffer(8);
-  buf.writeFloatLE(0.0, 0xffffffff);
-}, RangeError);
-
-assert.throws(function() {
-  var buf = Buffer(8);
-  buf.readFloatLE(0xffffffff);
-}, RangeError);
-
-assert.throws(function() {
-  var buf = Buffer(8);
-  buf.writeFloatLE(0.0, 0xffffffff);
-}, RangeError);
-
-
-// ensure negative values can't get past offset
-assert.throws(function() {
-  var buf = Buffer(8);
-  buf.readFloatLE(-1);
-}, RangeError);
-
-assert.throws(function() {
-  var buf = Buffer(8);
-  buf.writeFloatLE(0.0, -1);
-}, RangeError);
-
-assert.throws(function() {
-  var buf = Buffer(8);
-  buf.readFloatLE(-1);
-}, RangeError);
-
-assert.throws(function() {
-  var buf = Buffer(8);
-  buf.writeFloatLE(0.0, -1);
-}, RangeError);
-
-// offset checks
-{
-  var buf = new Buffer(0);
-
-  assert.throws(function() { buf.readUInt8(0); }, RangeError);
-  assert.throws(function() { buf.readInt8(0); }, RangeError);
-}
-
-{
-  var buf = new Buffer([0xFF]);
-
-  assert.equal(buf.readUInt8(0), 255);
-  assert.equal(buf.readInt8(0), -1);
-}
-
-[16, 32].forEach(function(bits) {
-  var buf = new Buffer(bits / 8 - 1);
-
-  assert.throws(function() { buf['readUInt' + bits + 'BE'](0); },
-                RangeError,
-                'readUInt' + bits + 'BE');
-
-  assert.throws(function() { buf['readUInt' + bits + 'LE'](0); },
-                RangeError,
-                'readUInt' + bits + 'LE');
-
-  assert.throws(function() { buf['readInt' + bits + 'BE'](0); },
-                RangeError,
-                'readInt' + bits + 'BE()');
-
-  assert.throws(function() { buf['readInt' + bits + 'LE'](0); },
-                RangeError,
-                'readInt' + bits + 'LE()');
-});
-
-[16, 32].forEach(function(bits) {
-  var buf = new Buffer([0xFF, 0xFF, 0xFF, 0xFF]);
-
-  assert.equal(buf['readUInt' + bits + 'BE'](0),
-                (0xFFFFFFFF >>> (32 - bits)));
-
-  assert.equal(buf['readUInt' + bits + 'LE'](0),
-                (0xFFFFFFFF >>> (32 - bits)));
-
-  assert.equal(buf['readInt' + bits + 'BE'](0),
-                (0xFFFFFFFF >> (32 - bits)));
-
-  assert.equal(buf['readInt' + bits + 'LE'](0),
-                (0xFFFFFFFF >> (32 - bits)));
-});
-
-// test for common read(U)IntLE/BE
-{
-  var buf = new Buffer([0x01, 0x02, 0x03, 0x04, 0x05, 0x06]);
-
-  assert.strictEqual(buf.readUIntLE(0, 1), 0x01);
-  assert.strictEqual(buf.readUIntBE(0, 1), 0x01);
-  assert.strictEqual(buf.readUIntLE(0, 3), 0x030201);
-  assert.strictEqual(buf.readUIntBE(0, 3), 0x010203);
-  assert.strictEqual(buf.readUIntLE(0, 5), 0x0504030201);
-  assert.strictEqual(buf.readUIntBE(0, 5), 0x0102030405);
-  assert.strictEqual(buf.readUIntLE(0, 6), 0x060504030201);
-  assert.strictEqual(buf.readUIntBE(0, 6), 0x010203040506);
-  assert.strictEqual(buf.readIntLE(0, 1), 0x01);
-  assert.strictEqual(buf.readIntBE(0, 1), 0x01);
-  assert.strictEqual(buf.readIntLE(0, 3), 0x030201);
-  assert.strictEqual(buf.readIntBE(0, 3), 0x010203);
-  assert.strictEqual(buf.readIntLE(0, 5), 0x0504030201);
-  assert.strictEqual(buf.readIntBE(0, 5), 0x0102030405);
-  assert.strictEqual(buf.readIntLE(0, 6), 0x060504030201);
-  assert.strictEqual(buf.readIntBE(0, 6), 0x010203040506);
-}
-
-// test for common write(U)IntLE/BE
-{
-  var buf = Buffer(3);
-  buf.writeUIntLE(0x123456, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0x56, 0x34, 0x12]);
-  assert.equal(buf.readUIntLE(0, 3), 0x123456);
-
-  buf = Buffer(3);
-  buf.writeUIntBE(0x123456, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56]);
-  assert.equal(buf.readUIntBE(0, 3), 0x123456);
-
-  buf = Buffer(3);
-  buf.writeIntLE(0x123456, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0x56, 0x34, 0x12]);
-  assert.equal(buf.readIntLE(0, 3), 0x123456);
-
-  buf = Buffer(3);
-  buf.writeIntBE(0x123456, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56]);
-  assert.equal(buf.readIntBE(0, 3), 0x123456);
-
-  buf = Buffer(3);
-  buf.writeIntLE(-0x123456, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0xaa, 0xcb, 0xed]);
-  assert.equal(buf.readIntLE(0, 3), -0x123456);
-
-  buf = Buffer(3);
-  buf.writeIntBE(-0x123456, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcb, 0xaa]);
-  assert.equal(buf.readIntBE(0, 3), -0x123456);
-
-  buf = Buffer(3);
-  buf.writeIntLE(-0x123400, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0x00, 0xcc, 0xed]);
-  assert.equal(buf.readIntLE(0, 3), -0x123400);
-
-  buf = Buffer(3);
-  buf.writeIntBE(-0x123400, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcc, 0x00]);
-  assert.equal(buf.readIntBE(0, 3), -0x123400);
-
-  buf = Buffer(3);
-  buf.writeIntLE(-0x120000, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0x00, 0x00, 0xee]);
-  assert.equal(buf.readIntLE(0, 3), -0x120000);
-
-  buf = Buffer(3);
-  buf.writeIntBE(-0x120000, 0, 3);
-  assert.deepStrictEqual(buf.toJSON().data, [0xee, 0x00, 0x00]);
-  assert.equal(buf.readIntBE(0, 3), -0x120000);
-
-  buf = Buffer(5);
-  buf.writeUIntLE(0x1234567890, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0x90, 0x78, 0x56, 0x34, 0x12]);
-  assert.equal(buf.readUIntLE(0, 5), 0x1234567890);
-
-  buf = Buffer(5);
-  buf.writeUIntBE(0x1234567890, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56, 0x78, 0x90]);
-  assert.equal(buf.readUIntBE(0, 5), 0x1234567890);
-
-  buf = Buffer(5);
-  buf.writeIntLE(0x1234567890, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0x90, 0x78, 0x56, 0x34, 0x12]);
-  assert.equal(buf.readIntLE(0, 5), 0x1234567890);
-
-  buf = Buffer(5);
-  buf.writeIntBE(0x1234567890, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56, 0x78, 0x90]);
-  assert.equal(buf.readIntBE(0, 5), 0x1234567890);
-
-  buf = Buffer(5);
-  buf.writeIntLE(-0x1234567890, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0x70, 0x87, 0xa9, 0xcb, 0xed]);
-  assert.equal(buf.readIntLE(0, 5), -0x1234567890);
-
-  buf = Buffer(5);
-  buf.writeIntBE(-0x1234567890, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcb, 0xa9, 0x87, 0x70]);
-  assert.equal(buf.readIntBE(0, 5), -0x1234567890);
-
-  buf = Buffer(5);
-  buf.writeIntLE(-0x0012000000, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0x00, 0x00, 0x00, 0xee, 0xff]);
-  assert.equal(buf.readIntLE(0, 5), -0x0012000000);
-
-  buf = Buffer(5);
-  buf.writeIntBE(-0x0012000000, 0, 5);
-  assert.deepStrictEqual(buf.toJSON().data, [0xff, 0xee, 0x00, 0x00, 0x00]);
-  assert.equal(buf.readIntBE(0, 5), -0x0012000000);
-}
-
-// test Buffer slice
-{
-  var buf = new Buffer('0123456789');
-  assert.equal(buf.slice(-10, 10), '0123456789');
-  assert.equal(buf.slice(-20, 10), '0123456789');
-  assert.equal(buf.slice(-20, -10), '');
-  assert.equal(buf.slice(), '0123456789');
-  assert.equal(buf.slice(0), '0123456789');
-  assert.equal(buf.slice(0, 0), '');
-  assert.equal(buf.slice(undefined), '0123456789');
-  assert.equal(buf.slice('foobar'), '0123456789');
-  assert.equal(buf.slice(undefined, undefined), '0123456789');
-
-  assert.equal(buf.slice(2), '23456789');
-  assert.equal(buf.slice(5), '56789');
-  assert.equal(buf.slice(10), '');
-  assert.equal(buf.slice(5, 8), '567');
-  assert.equal(buf.slice(8, -1), '8');
-  assert.equal(buf.slice(-10), '0123456789');
-  assert.equal(buf.slice(0, -9), '0');
-  assert.equal(buf.slice(0, -10), '');
-  assert.equal(buf.slice(0, -1), '012345678');
-  assert.equal(buf.slice(2, -2), '234567');
-  assert.equal(buf.slice(0, 65536), '0123456789');
-  assert.equal(buf.slice(65536, 0), '');
-  assert.equal(buf.slice(-5, -8), '');
-  assert.equal(buf.slice(-5, -3), '56');
-  assert.equal(buf.slice(-10, 10), '0123456789');
-  for (var i = 0, s = buf.toString(); i < buf.length; ++i) {
-    assert.equal(buf.slice(i), s.slice(i));
-    assert.equal(buf.slice(0, i), s.slice(0, i));
-    assert.equal(buf.slice(-i), s.slice(-i));
-    assert.equal(buf.slice(0, -i), s.slice(0, -i));
-  }
-
-  var utf16Buf = new Buffer('0123456789', 'utf16le');
-  assert.deepStrictEqual(utf16Buf.slice(0, 6), Buffer('012', 'utf16le'));
-
-  assert.equal(buf.slice('0', '1'), '0');
-  assert.equal(buf.slice('-5', '10'), '56789');
-  assert.equal(buf.slice('-10', '10'), '0123456789');
-  assert.equal(buf.slice('-10', '-5'), '01234');
-  assert.equal(buf.slice('-10', '-0'), '');
-  assert.equal(buf.slice('111'), '');
-  assert.equal(buf.slice('0', '-111'), '');
-
-  // try to slice a zero length Buffer
-  // see https://github.com/joyent/node/issues/5881
-  SlowBuffer(0).slice(0, 1);
-}
-
-// Regression test for #5482: should throw but not assert in C++ land.
-assert.throws(function() {
-  Buffer('', 'buffer');
-}, TypeError);
-
-// Regression test for #6111. Constructing a buffer from another buffer
-// should a) work, and b) not corrupt the source buffer.
-{
-  var a = [0];
-  for (var i = 0; i < 7; ++i) a = a.concat(a);
-  a = a.map(function(_, i) { return i; });
-  var b = Buffer(a);
-  var c = Buffer(b);
-  assert.strictEqual(b.length, a.length);
-  assert.strictEqual(c.length, a.length);
-  for (var i = 0, k = a.length; i < k; ++i) {
-    assert.strictEqual(a[i], i);
-    assert.strictEqual(b[i], i);
-    assert.strictEqual(c[i], i);
-  }
-}
-
-
-assert.throws(function() {
-  new Buffer((-1 >>> 0) + 1);
-}, RangeError);
-
-assert.throws(function() {
-  SlowBuffer((-1 >>> 0) + 1);
-}, RangeError);
-
-if (common.hasCrypto) {
-  // Test truncation after decode
-  // var crypto = require('crypto');
-
-  var b1 = new Buffer('YW55=======', 'base64');
-  var b2 = new Buffer('YW55', 'base64');
-
-  assert.equal(
-    1 /*crypto.createHash('sha1').update(b1).digest('hex')*/,
-    1 /*crypto.createHash('sha1').update(b2).digest('hex')*/
-  );
-} else {
-  common.skip('missing crypto');
-}
-
-// Test Compare
-{
-  var b = new Buffer(1).fill('a');
-  var c = new Buffer(1).fill('c');
-  var d = new Buffer(2).fill('aa');
-
-  assert.equal(b.compare(c), -1);
-  assert.equal(c.compare(d), 1);
-  assert.equal(d.compare(b), 1);
-  assert.equal(b.compare(d), -1);
-  assert.equal(b.compare(b), 0);
-
-  assert.equal(Buffer.compare(b, c), -1);
-  assert.equal(Buffer.compare(c, d), 1);
-  assert.equal(Buffer.compare(d, b), 1);
-  assert.equal(Buffer.compare(b, d), -1);
-  assert.equal(Buffer.compare(c, c), 0);
-
-  assert.equal(Buffer.compare(Buffer(0), Buffer(0)), 0);
-  assert.equal(Buffer.compare(Buffer(0), Buffer(1)), -1);
-  assert.equal(Buffer.compare(Buffer(1), Buffer(0)), 1);
-}
-
-assert.throws(function() {
-  var b = Buffer(1);
-  Buffer.compare(b, 'abc');
-});
-
-assert.throws(function() {
-  var b = Buffer(1);
-  Buffer.compare('abc', b);
-});
-
-assert.throws(function() {
-  var b = Buffer(1);
-  b.compare('abc');
-});
-
-// Test Equals
-{
-  var b = new Buffer(5).fill('abcdf');
-  var c = new Buffer(5).fill('abcdf');
-  var d = new Buffer(5).fill('abcde');
-  var e = new Buffer(6).fill('abcdef');
-
-  assert.ok(b.equals(c));
-  assert.ok(!c.equals(d));
-  assert.ok(!d.equals(e));
-  assert.ok(d.equals(d));
-}
-
-assert.throws(function() {
-  var b = Buffer(1);
-  b.equals('abc');
-});
-
-// Regression test for https://github.com/nodejs/node/issues/649.
-assert.throws(function() { Buffer(1422561062959).toString('utf8'); });
-
-var ps = Buffer.poolSize;
-Buffer.poolSize = 0;
-assert.equal(Buffer(1).parent, undefined);
-Buffer.poolSize = ps;
-
-// Test Buffer.copy() segfault
-assert.throws(function() {
-  Buffer(10).copy();
-});
-
-var regErrorMsg = new RegExp('First argument must be a string, Buffer, ' +
-                               'ArrayBuffer, Array, or array-like object.');
-
-assert.throws(function() {
-  new Buffer();
-}, regErrorMsg);
-
-assert.throws(function() {
-  new Buffer(null);
-}, regErrorMsg);
-
-
-// Test prototype getters don't throw
-assert.equal(Buffer.prototype.parent, undefined);
-assert.equal(Buffer.prototype.offset, undefined);
-assert.equal(SlowBuffer.prototype.parent, undefined);
-assert.equal(SlowBuffer.prototype.offset, undefined);
-
-{
-  // Test that large negative Buffer length inputs don't affect the pool offset.
-  // Use the fromArrayLike() variant here because it's more lenient
-  // about its input and passes the length directly to allocate().
-  assert.deepStrictEqual(Buffer({ length: -Buffer.poolSize }), Buffer.from(''));
-  assert.deepStrictEqual(Buffer({ length: -100 }), Buffer.from(''));
-
-  // Check pool offset after that by trying to write string into the pool.
-  assert.doesNotThrow(() => Buffer.from('abc'));
-}
-
-
-// Test failed or zero-sized Buffer allocations not affecting typed arrays
-{
-  var zeroArray = new Uint32Array(10).fill(0);
-  var sizes = [1e10, 0, 0.1, -1, 'a', undefined, null, NaN];
-  var allocators = [
-    Buffer,
-    SlowBuffer,
-    Buffer.alloc,
-    Buffer.allocUnsafe,
-    Buffer.allocUnsafeSlow
-  ];
-  for (var allocator of allocators) {
-    for (var size of sizes) {
-      try {
-        allocator(size);
-      } catch (e) {
-        assert.deepStrictEqual(new Uint32Array(10), zeroArray);
-      }
-    }
-  }
-}
-
-// Test that large negative Buffer length inputs throw errors.
-assert.throws(() => Buffer(-Buffer.poolSize),
-              '"size" argument must not be negative');
-assert.throws(() => Buffer(-100),
-              '"size" argument must not be negative');
-assert.throws(() => Buffer(-1),
-              '"size" argument must not be negative');
-
diff --git a/node_modules/buffer/test/slice.js b/node_modules/buffer/test/slice.js
deleted file mode 100644
index 25c111c80..000000000
--- a/node_modules/buffer/test/slice.js
+++ /dev/null
@@ -1,37 +0,0 @@
-if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
-var B = require('../').Buffer
-var test = require('tape')
-
-test('modifying buffer created by .slice() modifies original memory', function (t) {
-  if (!B.TYPED_ARRAY_SUPPORT) return t.end()
-
-  var buf1 = new B(26)
-  for (var i = 0; i < 26; i++) {
-    buf1[i] = i + 97 // 97 is ASCII a
-  }
-
-  var buf2 = buf1.slice(0, 3)
-  t.equal(buf2.toString('ascii', 0, buf2.length), 'abc')
-
-  buf2[0] = '!'.charCodeAt(0)
-  t.equal(buf1.toString('ascii', 0, buf2.length), '!bc')
-
-  t.end()
-})
-
-test('modifying parent buffer modifies .slice() buffer\'s memory', function (t) {
-  if (!B.TYPED_ARRAY_SUPPORT) return t.end()
-
-  var buf1 = new B(26)
-  for (var i = 0; i < 26; i++) {
-    buf1[i] = i + 97 // 97 is ASCII a
-  }
-
-  var buf2 = buf1.slice(0, 3)
-  t.equal(buf2.toString('ascii', 0, buf2.length), 'abc')
-
-  buf1[0] = '!'.charCodeAt(0)
-  t.equal(buf2.toString('ascii', 0, buf2.length), '!bc')
-
-  t.end()
-})
diff --git a/node_modules/buffer/test/static.js b/node_modules/buffer/test/static.js
deleted file mode 100644
index 4de900bc7..000000000
--- a/node_modules/buffer/test/static.js
+++ /dev/null
@@ -1,17 +0,0 @@
-if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
-var B = require('../').Buffer
-var test = require('tape')
-
-test('Buffer.isEncoding', function (t) {
-  t.equal(B.isEncoding('HEX'), true)
-  t.equal(B.isEncoding('hex'), true)
-  t.equal(B.isEncoding('bad'), false)
-  t.end()
-})
-
-test('Buffer.isBuffer', function (t) {
-  t.equal(B.isBuffer(new B('hey', 'utf8')), true)
-  t.equal(B.isBuffer(new B([1, 2, 3], 'utf8')), true)
-  t.equal(B.isBuffer('hey'), false)
-  t.end()
-})
diff --git a/node_modules/buffer/test/to-string.js b/node_modules/buffer/test/to-string.js
deleted file mode 100644
index 2950d4d0d..000000000
--- a/node_modules/buffer/test/to-string.js
+++ /dev/null
@@ -1,233 +0,0 @@
-if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
-var B = require('../').Buffer
-var test = require('tape')
-
-test('utf8 buffer to base64', function (t) {
-  t.equal(
-    new B('Ձאab', 'utf8').toString('base64'),
-    '1YHXkGFi'
-  )
-  t.end()
-})
-
-test('utf8 buffer to hex', function (t) {
-  t.equal(
-    new B('Ձאab', 'utf8').toString('hex'),
-    'd581d7906162'
-  )
-  t.end()
-})
-
-test('utf8 to utf8', function (t) {
-  t.equal(
-    new B('öäüõÖÄÜÕ', 'utf8').toString('utf8'),
-    'öäüõÖÄÜÕ'
-  )
-  t.end()
-})
-
-test('utf16le to utf16', function (t) {
-  t.equal(
-    new B(new B('abcd', 'utf8').toString('utf16le'), 'utf16le').toString('utf8'),
-    'abcd'
-  )
-  t.end()
-})
-
-test('utf16le to hex', function (t) {
-  t.equal(
-    new B('abcd', 'utf16le').toString('hex'),
-    '6100620063006400'
-  )
-  t.end()
-})
-
-test('ascii buffer to base64', function (t) {
-  t.equal(
-    new B('123456!@#$%^', 'ascii').toString('base64'),
-    'MTIzNDU2IUAjJCVe'
-  )
-  t.end()
-})
-
-test('ascii buffer to hex', function (t) {
-  t.equal(
-    new B('123456!@#$%^', 'ascii').toString('hex'),
-    '31323334353621402324255e'
-  )
-  t.end()
-})
-
-test('base64 buffer to utf8', function (t) {
-  t.equal(
-    new B('1YHXkGFi', 'base64').toString('utf8'),
-    'Ձאab'
-  )
-  t.end()
-})
-
-test('hex buffer to utf8', function (t) {
-  t.equal(
-    new B('d581d7906162', 'hex').toString('utf8'),
-    'Ձאab'
-  )
-  t.end()
-})
-
-test('base64 buffer to ascii', function (t) {
-  t.equal(
-    new B('MTIzNDU2IUAjJCVe', 'base64').toString('ascii'),
-    '123456!@#$%^'
-  )
-  t.end()
-})
-
-test('hex buffer to ascii', function (t) {
-  t.equal(
-    new B('31323334353621402324255e', 'hex').toString('ascii'),
-    '123456!@#$%^'
-  )
-  t.end()
-})
-
-test('base64 buffer to binary', function (t) {
-  t.equal(
-    new B('MTIzNDU2IUAjJCVe', 'base64').toString('binary'),
-    '123456!@#$%^'
-  )
-  t.end()
-})
-
-test('hex buffer to binary', function (t) {
-  t.equal(
-    new B('31323334353621402324255e', 'hex').toString('binary'),
-    '123456!@#$%^'
-  )
-  t.end()
-})
-
-test('utf8 to binary', function (t) {
-  /* jshint -W100 */
-  t.equal(
-    new B('öäüõÖÄÜÕ', 'utf8').toString('binary'),
-    'öäüõÖÄÜÕ'
-  )
-  /* jshint +W100 */
-  t.end()
-})
-
-test('utf8 replacement chars (1 byte sequence)', function (t) {
-  t.equal(
-    new B([ 0x80 ]).toString(),
-    '\uFFFD'
-  )
-  t.equal(
-    new B([ 0x7F ]).toString(),
-    '\u007F'
-  )
-  t.end()
-})
-
-test('utf8 replacement chars (2 byte sequences)', function (t) {
-  t.equal(
-    new B([ 0xC7 ]).toString(),
-    '\uFFFD'
-  )
-  t.equal(
-    new B([ 0xC7, 0xB1 ]).toString(),
-    '\u01F1'
-  )
-  t.equal(
-    new B([ 0xC0, 0xB1 ]).toString(),
-    '\uFFFD\uFFFD'
-  )
-  t.equal(
-    new B([ 0xC1, 0xB1 ]).toString(),
-    '\uFFFD\uFFFD'
-  )
-  t.end()
-})
-
-test('utf8 replacement chars (3 byte sequences)', function (t) {
-  t.equal(
-    new B([ 0xE0 ]).toString(),
-    '\uFFFD'
-  )
-  t.equal(
-    new B([ 0xE0, 0xAC ]).toString(),
-    '\uFFFD\uFFFD'
-  )
-  t.equal(
-    new B([ 0xE0, 0xAC, 0xB9 ]).toString(),
-    '\u0B39'
-  )
-  t.end()
-})
-
-test('utf8 replacement chars (4 byte sequences)', function (t) {
-  t.equal(
-    new B([ 0xF4 ]).toString(),
-    '\uFFFD'
-  )
-  t.equal(
-    new B([ 0xF4, 0x8F ]).toString(),
-    '\uFFFD\uFFFD'
-  )
-  t.equal(
-    new B([ 0xF4, 0x8F, 0x80 ]).toString(),
-    '\uFFFD\uFFFD\uFFFD'
-  )
-  t.equal(
-    new B([ 0xF4, 0x8F, 0x80, 0x84 ]).toString(),
-    '\uDBFC\uDC04'
-  )
-  t.equal(
-    new B([ 0xFF ]).toString(),
-    '\uFFFD'
-  )
-  t.equal(
-    new B([ 0xFF, 0x8F, 0x80, 0x84 ]).toString(),
-    '\uFFFD\uFFFD\uFFFD\uFFFD'
-  )
-  t.end()
-})
-
-test('utf8 replacement chars on 256 random bytes', function (t) {
-  t.equal(
-    new B([ 152, 130, 206, 23, 243, 238, 197, 44, 27, 86, 208, 36, 163, 184, 164, 21, 94, 242, 178, 46, 25, 26, 253, 178, 72, 147, 207, 112, 236, 68, 179, 190, 29, 83, 239, 147, 125, 55, 143, 19, 157, 68, 157, 58, 212, 224, 150, 39, 128, 24, 94, 225, 120, 121, 75, 192, 112, 19, 184, 142, 203, 36, 43, 85, 26, 147, 227, 139, 242, 186, 57, 78, 11, 102, 136, 117, 180, 210, 241, 92, 3, 215, 54, 167, 249, 1, 44, 225, 146, 86, 2, 42, 68, 21, 47, 238, 204, 153, 216, 252, 183, 66, 222, 255, 15, 202, 16, 51, 134, 1, 17, 19, 209, 76, 238, 38, 76, 19, 7, 103, 249, 5, 107, 137, 64, 62, 170, 57, 16, 85, 179, 193, 97, 86, 166, 196, 36, 148, 138, 193, 210, 69, 187, 38, 242, 97, 195, 219, 252, 244, 38, 1, 197, 18, 31, 246, 53, 47, 134, 52, 105, 72, 43, 239, 128, 203, 73, 93, 199, 75, 222, 220, 166, 34, 63, 236, 11, 212, 76, 243, 171, 110, 78, 39, 205, 204, 6, 177, 233, 212, 243, 0, 33, 41, 122, 118, 92, 252, 0, 157, 108, 120, 70, 137, 100, 223, 243, 171, 232, 66, 126, 111, 142, 33, 3, 39, 117, 27, 107, 54, 1, 217, 227, 132, 13, 166, 3, 73, 53, 127, 225, 236, 134, 219, 98, 214, 125, 148, 24, 64, 142, 111, 231, 194, 42, 150, 185, 10, 182, 163, 244, 19, 4, 59, 135, 16 ]).toString(),
-    '\uFFFD\uFFFD\uFFFD\u0017\uFFFD\uFFFD\uFFFD\u002C\u001B\u0056\uFFFD\u0024\uFFFD\uFFFD\uFFFD\u0015\u005E\uFFFD\uFFFD\u002E\u0019\u001A\uFFFD\uFFFD\u0048\uFFFD\uFFFD\u0070\uFFFD\u0044\uFFFD\uFFFD\u001D\u0053\uFFFD\uFFFD\u007D\u0037\uFFFD\u0013\uFFFD\u0044\uFFFD\u003A\uFFFD\uFFFD\uFFFD\u0027\uFFFD\u0018\u005E\uFFFD\u0078\u0079\u004B\uFFFD\u0070\u0013\uFFFD\uFFFD\uFFFD\u0024\u002B\u0055\u001A\uFFFD\uFFFD\uFFFD\uFFFD\uFFFD\u0039\u004E\u000B\u0066\uFFFD\u0075\uFFFD\uFFFD\uFFFD\u005C\u0003\uFFFD\u0036\uFFFD\uFFFD\u0001\u002C\uFFFD\uFFFD\u0056\u0002\u002A\u0044\u0015\u002F\uFFFD\u0319\uFFFD\uFFFD\uFFFD\u0042\uFFFD\uFFFD\u000F\uFFFD\u0010\u0033\uFFFD\u0001\u0011\u0013\uFFFD\u004C\uFFFD\u0026\u004C\u0013\u0007\u0067\uFFFD\u0005\u006B\uFFFD\u0040\u003E\uFFFD\u0039\u0010\u0055\uFFFD\uFFFD\u0061\u0056\uFFFD\uFFFD\u0024\uFFFD\uFFFD\uFFFD\uFFFD\u0045\uFFFD\u0026\uFFFD\u0061\uFFFD\uFFFD\uFFFD\uFFFD\u0026\u0001\uFFFD\u0012\u001F\uFFFD\u0035\u002F\uFFFD\u0034\u0069\u0048\u002B\uFFFD\uFFFD\uFFFD\u0049\u005D\uFFFD\u004B\uFFFD\u0726\u0022\u003F\uFFFD\u000B\uFFFD\u004C\uFFFD\uFFFD\u006E\u004E\u0027\uFFFD\uFFFD\u0006\uFFFD\uFFFD\uFFFD\uFFFD\u0000\u0021\u0029\u007A\u0076\u005C\uFFFD\u0000\uFFFD\u006C\u0078\u0046\uFFFD\u0064\uFFFD\uFFFD\uFFFD\uFFFD\u0042\u007E\u006F\uFFFD\u0021\u0003\u0027\u0075\u001B\u006B\u0036\u0001\uFFFD\uFFFD\uFFFD\u000D\uFFFD\u0003\u0049\u0035\u007F\uFFFD\uFFFD\uFFFD\uFFFD\u0062\uFFFD\u007D\uFFFD\u0018\u0040\uFFFD\u006F\uFFFD\uFFFD\u002A\uFFFD\uFFFD\u000A\uFFFD\uFFFD\uFFFD\u0013\u0004\u003B\uFFFD\u0010'
-  )
-  t.end()
-})
-
-test('utf8 replacement chars for anything in the surrogate pair range', function (t) {
-  t.equal(
-    new B([ 0xED, 0x9F, 0xBF ]).toString(),
-    '\uD7FF'
-  )
-  t.equal(
-    new B([ 0xED, 0xA0, 0x80 ]).toString(),
-    '\uFFFD\uFFFD\uFFFD'
-  )
-  t.equal(
-    new B([ 0xED, 0xBE, 0x8B ]).toString(),
-    '\uFFFD\uFFFD\uFFFD'
-  )
-  t.equal(
-    new B([ 0xED, 0xBF, 0xBF ]).toString(),
-    '\uFFFD\uFFFD\uFFFD'
-  )
-  t.equal(
-    new B([ 0xEE, 0x80, 0x80 ]).toString(),
-    '\uE000'
-  )
-  t.end()
-})
-
-test('utf8 don\'t replace the replacement char', function (t) {
-  t.equal(
-    new B('\uFFFD').toString(),
-    '\uFFFD'
-  )
-  t.end()
-})
diff --git a/node_modules/buffer/test/write.js b/node_modules/buffer/test/write.js
deleted file mode 100644
index 584180634..000000000
--- a/node_modules/buffer/test/write.js
+++ /dev/null
@@ -1,131 +0,0 @@
-if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
-var B = require('../').Buffer
-var test = require('tape')
-var isnan = require('is-nan')
-
-test('buffer.write string should get parsed as number', function (t) {
-  var b = new B(64)
-  b.writeUInt16LE('1003', 0)
-  t.equal(b.readUInt16LE(0), 1003)
-  t.end()
-})
-
-test('buffer.writeUInt8 a fractional number will get Math.floored', function (t) {
-  // Some extra work is necessary to make this test pass with the Object implementation
-
-  var b = new B(1)
-  b.writeInt8(5.5, 0)
-  t.equal(b[0], 5)
-  t.end()
-})
-
-test('writeUint8 with a negative number throws', function (t) {
-  var buf = new B(1)
-
-  t.throws(function () {
-    buf.writeUInt8(-3, 0)
-  })
-
-  t.end()
-})
-
-test('hex of write{Uint,Int}{8,16,32}{LE,BE}', function (t) {
-  t.plan(2 * (2 * 2 * 2 + 2))
-  var hex = [
-    '03', '0300', '0003', '03000000', '00000003',
-    'fd', 'fdff', 'fffd', 'fdffffff', 'fffffffd'
-  ]
-  var reads = [ 3, 3, 3, 3, 3, -3, -3, -3, -3, -3 ]
-  var xs = ['UInt', 'Int']
-  var ys = [8, 16, 32]
-  for (var i = 0; i < xs.length; i++) {
-    var x = xs[i]
-    for (var j = 0; j < ys.length; j++) {
-      var y = ys[j]
-      var endianesses = (y === 8) ? [''] : ['LE', 'BE']
-      for (var k = 0; k < endianesses.length; k++) {
-        var z = endianesses[k]
-
-        var v1 = new B(y / 8)
-        var writefn = 'write' + x + y + z
-        var val = (x === 'Int') ? -3 : 3
-        v1[writefn](val, 0)
-        t.equal(
-          v1.toString('hex'),
-          hex.shift()
-        )
-        var readfn = 'read' + x + y + z
-        t.equal(
-          v1[readfn](0),
-          reads.shift()
-        )
-      }
-    }
-  }
-  t.end()
-})
-
-test('hex of write{Uint,Int}{8,16,32}{LE,BE} with overflow', function (t) {
-  if (!B.TYPED_ARRAY_SUPPORT) {
-    t.pass('object impl: skipping overflow test')
-    t.end()
-    return
-  }
-
-  t.plan(3 * (2 * 2 * 2 + 2))
-  var hex = [
-    '', '03', '00', '030000', '000000',
-    '', 'fd', 'ff', 'fdffff', 'ffffff'
-  ]
-  var reads = [
-    undefined, 3, 0, NaN, 0,
-    undefined, 253, -256, 16777213, -256
-  ]
-  var xs = ['UInt', 'Int']
-  var ys = [8, 16, 32]
-  for (var i = 0; i < xs.length; i++) {
-    var x = xs[i]
-    for (var j = 0; j < ys.length; j++) {
-      var y = ys[j]
-      var endianesses = (y === 8) ? [''] : ['LE', 'BE']
-      for (var k = 0; k < endianesses.length; k++) {
-        var z = endianesses[k]
-
-        var v1 = new B(y / 8 - 1)
-        var next = new B(4)
-        next.writeUInt32BE(0, 0)
-        var writefn = 'write' + x + y + z
-        var val = (x === 'Int') ? -3 : 3
-        v1[writefn](val, 0, true)
-        t.equal(
-          v1.toString('hex'),
-          hex.shift()
-        )
-        // check that nothing leaked to next buffer.
-        t.equal(next.readUInt32BE(0), 0)
-        // check that no bytes are read from next buffer.
-        next.writeInt32BE(~0, 0)
-        var readfn = 'read' + x + y + z
-        var r = reads.shift()
-        if (isnan(r)) t.pass('equal')
-        else t.equal(v1[readfn](0, true), r)
-      }
-    }
-  }
-  t.end()
-})
-test('large values do not improperly roll over (ref #80)', function (t) {
-  var nums = [-25589992, -633756690, -898146932]
-  var out = new B(12)
-  out.fill(0)
-  out.writeInt32BE(nums[0], 0)
-  var newNum = out.readInt32BE(0)
-  t.equal(nums[0], newNum)
-  out.writeInt32BE(nums[1], 4)
-  newNum = out.readInt32BE(4)
-  t.equal(nums[1], newNum)
-  out.writeInt32BE(nums[2], 8)
-  newNum = out.readInt32BE(8)
-  t.equal(nums[2], newNum)
-  t.end()
-})
diff --git a/node_modules/buffer/test/write_infinity.js b/node_modules/buffer/test/write_infinity.js
deleted file mode 100644
index 17d606a1c..000000000
--- a/node_modules/buffer/test/write_infinity.js
+++ /dev/null
@@ -1,45 +0,0 @@
-if (process.env.OBJECT_IMPL) global.TYPED_ARRAY_SUPPORT = false
-var B = require('../').Buffer
-var test = require('tape')
-
-test('write/read Infinity as a float', function (t) {
-  var buf = new B(4)
-  t.equal(buf.writeFloatBE(Infinity, 0), 4)
-  t.equal(buf.readFloatBE(0), Infinity)
-  t.end()
-})
-
-test('write/read -Infinity as a float', function (t) {
-  var buf = new B(4)
-  t.equal(buf.writeFloatBE(-Infinity, 0), 4)
-  t.equal(buf.readFloatBE(0), -Infinity)
-  t.end()
-})
-
-test('write/read Infinity as a double', function (t) {
-  var buf = new B(8)
-  t.equal(buf.writeDoubleBE(Infinity, 0), 8)
-  t.equal(buf.readDoubleBE(0), Infinity)
-  t.end()
-})
-
-test('write/read -Infinity as a double', function (t) {
-  var buf = new B(8)
-  t.equal(buf.writeDoubleBE(-Infinity, 0), 8)
-  t.equal(buf.readDoubleBE(0), -Infinity)
-  t.end()
-})
-
-test('write/read float greater than max', function (t) {
-  var buf = new B(4)
-  t.equal(buf.writeFloatBE(4e38, 0), 4)
-  t.equal(buf.readFloatBE(0), Infinity)
-  t.end()
-})
-
-test('write/read float less than min', function (t) {
-  var buf = new B(4)
-  t.equal(buf.writeFloatBE(-4e40, 0), 4)
-  t.equal(buf.readFloatBE(0), -Infinity)
-  t.end()
-})