diff options
Diffstat (limited to 'node_modules/buffer/test/node')
20 files changed, 0 insertions, 4971 deletions
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 b524f51..0000000 --- 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 a418752..0000000 --- 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 4a06098..0000000 --- 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 282227d..0000000 --- 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 fd7851d..0000000 --- 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 8d7dc35..0000000 --- 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 f1984ed..0000000 --- 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 c0dc4da..0000000 --- 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 7138094..0000000 --- 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 2096a34..0000000 --- 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 24502c3..0000000 --- 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 711d9f2..0000000 --- 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 d0ed590..0000000 --- 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 f27709f..0000000 --- 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 22ba29e..0000000 --- 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 65cea21..0000000 --- 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 2ec1a7a..0000000 --- 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 744b334..0000000 --- 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 b21a6b2..0000000 --- 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 2e94de2..0000000 --- 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'); - |