0.2.0 - Mid migration

web/node_modules/buffer/test/node/test-buffer-arraybuffer.js

@@ -0,0 +1,112 @@
+'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;
+  });
+}
+

web/node_modules/buffer/test/node/test-buffer-ascii.js

@@ -0,0 +1,28 @@
+'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;
+}
+

web/node_modules/buffer/test/node/test-buffer-bad-overload.js

@@ -0,0 +1,18 @@
+'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');
+});
+

web/node_modules/buffer/test/node/test-buffer-badhex.js

@@ -0,0 +1,46 @@
+'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));
+}
+

web/node_modules/buffer/test/node/test-buffer-bytelength.js

@@ -0,0 +1,90 @@
+'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));
+});
+

web/node_modules/buffer/test/node/test-buffer-compare-offset.js

@@ -0,0 +1,66 @@
+'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/);
+

web/node_modules/buffer/test/node/test-buffer-concat.js

@@ -0,0 +1,40 @@
+'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';
+  });
+}
+

web/node_modules/buffer/test/node/test-buffer-fill.js

@@ -0,0 +1,272 @@
+'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));
+}
+

web/node_modules/buffer/test/node/test-buffer-includes.js

@@ -0,0 +1,305 @@
+'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));
+}
+

web/node_modules/buffer/test/node/test-buffer-indexof.js

@@ -0,0 +1,523 @@
+'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);
+}
+

web/node_modules/buffer/test/node/test-buffer-inheritance.js

@@ -0,0 +1,42 @@
+'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();
+});
+

web/node_modules/buffer/test/node/test-buffer-inspect.js

@@ -0,0 +1,41 @@
+'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);
+});
+

web/node_modules/buffer/test/node/test-buffer-iterator.js

@@ -0,0 +1,65 @@
+'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]
+]);
+

web/node_modules/buffer/test/node/test-buffer-safe-unsafe.js

@@ -0,0 +1,27 @@
+'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)));
+

web/node_modules/buffer/test/node/test-buffer-slow.js

@@ -0,0 +1,63 @@
+'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');
+

web/node_modules/buffer/test/node/test-buffer-swap.js

@@ -0,0 +1,141 @@
+'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);
+

web/node_modules/buffer/test/node/test-buffer-zero-fill-cli.js

@@ -0,0 +1,35 @@
+'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));
+  }
+}
+

web/node_modules/buffer/test/node/test-buffer-zero-fill-reset.js

@@ -0,0 +1,22 @@
+'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');
+}
+