diff options
Diffstat (limited to 'cli/tests/node_compat/test/parallel/test-buffer-alloc.js')
| -rw-r--r-- | cli/tests/node_compat/test/parallel/test-buffer-alloc.js | 1200 |
1 files changed, 0 insertions, 1200 deletions
diff --git a/cli/tests/node_compat/test/parallel/test-buffer-alloc.js b/cli/tests/node_compat/test/parallel/test-buffer-alloc.js deleted file mode 100644 index bb0af6456..000000000 --- a/cli/tests/node_compat/test/parallel/test-buffer-alloc.js +++ /dev/null @@ -1,1200 +0,0 @@ -// deno-fmt-ignore-file -// deno-lint-ignore-file - -// Copyright Joyent and Node contributors. All rights reserved. MIT license. -// Taken from Node 18.12.1 -// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually. - -'use strict'; -const common = require('../common'); - -const assert = require('assert'); -const vm = require('vm'); - -const SlowBuffer = require('buffer').SlowBuffer; - -// Verify the maximum Uint8Array size. -// (see https://github.com/tc39/ecma262/pull/3052). -assert.throws( - () => new Uint8Array(2 ** 53), - { message: 'Invalid typed array length: 9007199254740992' } -); - -const b = Buffer.allocUnsafe(1024); -assert.strictEqual(b.length, 1024); - -b[0] = -1; -assert.strictEqual(b[0], 255); - -for (let i = 0; i < 1024; i++) { - b[i] = i % 256; -} - -for (let i = 0; i < 1024; i++) { - assert.strictEqual(i % 256, b[i]); -} - -const c = Buffer.allocUnsafe(512); -assert.strictEqual(c.length, 512); - -const d = Buffer.from([]); -assert.strictEqual(d.length, 0); - -// Test offset properties -{ - const b = Buffer.alloc(128); - assert.strictEqual(b.length, 128); - assert.strictEqual(b.byteOffset, 0); - assert.strictEqual(b.offset, 0); -} - -// Test creating a Buffer from a Uint8Array -{ - const ui8 = new Uint8Array(4).fill(42); - const e = Buffer.from(ui8); - for (const [index, value] of e.entries()) { - assert.strictEqual(value, ui8[index]); - } -} -// Test creating a Buffer from a Uint8Array (old constructor) -{ - const ui8 = new Uint8Array(4).fill(42); - const e = Buffer(ui8); - for (const [key, value] of e.entries()) { - assert.strictEqual(value, ui8[key]); - } -} - -// Test creating a Buffer from a Uint32Array -// Note: it is implicitly interpreted as Array of integers modulo 256 -{ - const ui32 = new Uint32Array(4).fill(42); - const e = Buffer.from(ui32); - for (const [index, value] of e.entries()) { - assert.strictEqual(value, ui32[index]); - } -} -// Test creating a Buffer from a Uint32Array (old constructor) -// Note: it is implicitly interpreted as Array of integers modulo 256 -{ - const ui32 = new Uint32Array(4).fill(42); - const e = Buffer(ui32); - for (const [key, value] of e.entries()) { - assert.strictEqual(value, ui32[key]); - } -} - -// Test invalid encoding for Buffer.toString -assert.throws(() => b.toString('invalid'), - /Unknown encoding: invalid/); -// Invalid encoding for Buffer.write -assert.throws(() => b.write('test string', 0, 5, 'invalid'), - /Unknown encoding: invalid/); -// Unsupported arguments for Buffer.write -assert.throws(() => b.write('test', 'utf8', 0), - { code: 'ERR_INVALID_ARG_TYPE' }); - -// Try to create 0-length buffers. Should not throw. -Buffer.from(''); -Buffer.from('', 'ascii'); -Buffer.from('', 'latin1'); -Buffer.alloc(0); -Buffer.allocUnsafe(0); -new Buffer(''); -new Buffer('', 'ascii'); -new Buffer('', 'latin1'); -new Buffer('', 'binary'); -Buffer(0); - -const outOfRangeError = { - code: 'ERR_OUT_OF_RANGE', - name: 'RangeError' -}; - -// Try to write a 0-length string beyond the end of b -assert.throws(() => b.write('', 2048), outOfRangeError); - -// Throw when writing to negative offset -assert.throws(() => b.write('a', -1), outOfRangeError); - -// Throw when writing past bounds from the pool -assert.throws(() => b.write('a', 2048), outOfRangeError); - -// Throw when writing to negative offset -assert.throws(() => b.write('a', -1), outOfRangeError); - -// 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, 1024, 1024); - -// Testing for smart defaults and ability to pass string values as offset -{ - const writeTest = Buffer.from('abcdes'); - writeTest.write('n', 'ascii'); - assert.throws( - () => writeTest.write('o', '1', 'ascii'), - { code: 'ERR_INVALID_ARG_TYPE' } - ); - writeTest.write('o', 1, 'ascii'); - writeTest.write('d', 2, 'ascii'); - writeTest.write('e', 3, 'ascii'); - writeTest.write('j', 4, 'ascii'); - assert.strictEqual(writeTest.toString(), 'nodejs'); -} - -// Offset points to the end of the buffer and does not throw. -// (see https://github.com/nodejs/node/issues/8127). -Buffer.alloc(1).write('', 1, 0); - -// ASCII slice test -{ - const asciiString = 'hello world'; - - for (let i = 0; i < asciiString.length; i++) { - b[i] = asciiString.charCodeAt(i); - } - const asciiSlice = b.toString('ascii', 0, asciiString.length); - assert.strictEqual(asciiString, asciiSlice); -} - -{ - const asciiString = 'hello world'; - const offset = 100; - - assert.strictEqual(asciiString.length, b.write(asciiString, offset, 'ascii')); - const asciiSlice = b.toString('ascii', offset, offset + asciiString.length); - assert.strictEqual(asciiString, asciiSlice); -} - -{ - const asciiString = 'hello world'; - const offset = 100; - - const sliceA = b.slice(offset, offset + asciiString.length); - const sliceB = b.slice(offset, offset + asciiString.length); - for (let i = 0; i < asciiString.length; i++) { - assert.strictEqual(sliceA[i], sliceB[i]); - } -} - -// UTF-8 slice test -{ - const utf8String = '¡hέlló wôrld!'; - const offset = 100; - - b.write(utf8String, 0, Buffer.byteLength(utf8String), 'utf8'); - let utf8Slice = b.toString('utf8', 0, Buffer.byteLength(utf8String)); - assert.strictEqual(utf8String, utf8Slice); - - assert.strictEqual(Buffer.byteLength(utf8String), - b.write(utf8String, offset, 'utf8')); - utf8Slice = b.toString('utf8', offset, - offset + Buffer.byteLength(utf8String)); - assert.strictEqual(utf8String, utf8Slice); - - const sliceA = b.slice(offset, offset + Buffer.byteLength(utf8String)); - const sliceB = b.slice(offset, offset + Buffer.byteLength(utf8String)); - for (let i = 0; i < Buffer.byteLength(utf8String); i++) { - assert.strictEqual(sliceA[i], sliceB[i]); - } -} - -{ - const slice = b.slice(100, 150); - assert.strictEqual(slice.length, 50); - for (let i = 0; i < 50; i++) { - assert.strictEqual(b[100 + i], slice[i]); - } -} - -{ - // Make sure only top level parent propagates from allocPool - const b = Buffer.allocUnsafe(5); - const c = b.slice(0, 4); - const d = c.slice(0, 2); - assert.strictEqual(b.parent, c.parent); - assert.strictEqual(b.parent, d.parent); -} - -{ - // Also from a non-pooled instance - const b = Buffer.allocUnsafeSlow(5); - const c = b.slice(0, 4); - const d = c.slice(0, 2); - assert.strictEqual(c.parent, d.parent); -} - -{ - // Bug regression test - const testValue = '\u00F6\u65E5\u672C\u8A9E'; // ö日本語 - const buffer = Buffer.allocUnsafe(32); - const size = buffer.write(testValue, 0, 'utf8'); - const slice = buffer.toString('utf8', 0, size); - assert.strictEqual(slice, testValue); -} - -{ - // Test triple slice - const a = Buffer.allocUnsafe(8); - for (let i = 0; i < 8; i++) a[i] = i; - const b = a.slice(4, 8); - assert.strictEqual(b[0], 4); - assert.strictEqual(b[1], 5); - assert.strictEqual(b[2], 6); - assert.strictEqual(b[3], 7); - const c = b.slice(2, 4); - assert.strictEqual(c[0], 6); - assert.strictEqual(c[1], 7); -} - -{ - const d = Buffer.from([23, 42, 255]); - assert.strictEqual(d.length, 3); - assert.strictEqual(d[0], 23); - assert.strictEqual(d[1], 42); - assert.strictEqual(d[2], 255); - assert.deepStrictEqual(d, Buffer.from(d)); -} - -{ - // Test for proper UTF-8 Encoding - const e = Buffer.from('über'); - assert.deepStrictEqual(e, Buffer.from([195, 188, 98, 101, 114])); -} - -{ - // Test for proper ascii Encoding, length should be 4 - const f = Buffer.from('über', 'ascii'); - assert.deepStrictEqual(f, Buffer.from([252, 98, 101, 114])); -} - -['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach((encoding) => { - { - // Test for proper UTF16LE encoding, length should be 8 - const f = Buffer.from('über', encoding); - assert.deepStrictEqual(f, Buffer.from([252, 0, 98, 0, 101, 0, 114, 0])); - } - - { - // Length should be 12 - const f = Buffer.from('привет', encoding); - assert.deepStrictEqual( - f, Buffer.from([63, 4, 64, 4, 56, 4, 50, 4, 53, 4, 66, 4]) - ); - assert.strictEqual(f.toString(encoding), 'привет'); - } - - { - const f = Buffer.from([0, 0, 0, 0, 0]); - assert.strictEqual(f.length, 5); - const size = f.write('あいうえお', encoding); - assert.strictEqual(size, 4); - assert.deepStrictEqual(f, Buffer.from([0x42, 0x30, 0x44, 0x30, 0x00])); - } -}); - -{ - const f = Buffer.from('\uD83D\uDC4D', 'utf-16le'); // THUMBS UP SIGN (U+1F44D) - assert.strictEqual(f.length, 4); - assert.deepStrictEqual(f, Buffer.from('3DD84DDC', 'hex')); -} - -// Test construction from arrayish object -{ - const arrayIsh = { 0: 0, 1: 1, 2: 2, 3: 3, length: 4 }; - let g = Buffer.from(arrayIsh); - assert.deepStrictEqual(g, Buffer.from([0, 1, 2, 3])); - const 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.strictEqual((Buffer.from('Man')).toString('base64'), 'TWFu'); -assert.strictEqual((Buffer.from('Woman')).toString('base64'), 'V29tYW4='); - -// -// Test toString('base64url') -// -assert.strictEqual((Buffer.from('Man')).toString('base64url'), 'TWFu'); -assert.strictEqual((Buffer.from('Woman')).toString('base64url'), 'V29tYW4'); - -{ - // Test that regular and URL-safe base64 both work both ways - const 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)); - assert.deepStrictEqual(Buffer.from('//++/++/++//', 'base64url'), - Buffer.from(expected)); - assert.deepStrictEqual(Buffer.from('__--_--_--__', 'base64url'), - Buffer.from(expected)); -} - -const base64flavors = ['base64', 'base64url']; - -{ - // Test that regular and URL-safe base64 both work both ways with padding - const expected = [0xff, 0xff, 0xbe, 0xff, 0xef, 0xbf, 0xfb, 0xef, 0xff, 0xfb]; - assert.deepStrictEqual(Buffer.from('//++/++/++//+w==', 'base64'), - Buffer.from(expected)); - assert.deepStrictEqual(Buffer.from('//++/++/++//+w==', 'base64'), - Buffer.from(expected)); - assert.deepStrictEqual(Buffer.from('//++/++/++//+w==', 'base64url'), - Buffer.from(expected)); - assert.deepStrictEqual(Buffer.from('//++/++/++//+w==', 'base64url'), - Buffer.from(expected)); -} - -{ - // big example - const 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.'; - const expected = 'TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb' + - '24sIGJ1dCBieSB0aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlci' + - 'BhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2YgdGhlIG1pbmQsIHRoYXQ' + - 'gYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu' + - 'dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZ' + - 'GdlLCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm' + - '5hbCBwbGVhc3VyZS4='; - assert.strictEqual(Buffer.from(quote).toString('base64'), expected); - assert.strictEqual( - Buffer.from(quote).toString('base64url'), - expected.replaceAll('+', '-').replaceAll('/', '_').replaceAll('=', '') - ); - - base64flavors.forEach((encoding) => { - let b = Buffer.allocUnsafe(1024); - let bytesWritten = b.write(expected, 0, encoding); - assert.strictEqual(quote.length, bytesWritten); - assert.strictEqual(quote, b.toString('ascii', 0, quote.length)); - - // Check that the base64 decoder ignores whitespace - const 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, encoding); - assert.strictEqual(quote.length, bytesWritten); - assert.strictEqual(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, encoding); - assert.strictEqual(quote.length, b.length); - assert.strictEqual(quote, b.toString('ascii', 0, quote.length)); - - // Check that the base64 decoder ignores illegal chars - const 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, encoding); - assert.strictEqual(quote.length, b.length); - assert.strictEqual(quote, b.toString('ascii', 0, quote.length)); - }); -} - -base64flavors.forEach((encoding) => { - assert.strictEqual(Buffer.from('', encoding).toString(), ''); - assert.strictEqual(Buffer.from('K', encoding).toString(), ''); - - // multiple-of-4 with padding - assert.strictEqual(Buffer.from('Kg==', encoding).toString(), '*'); - assert.strictEqual(Buffer.from('Kio=', encoding).toString(), '*'.repeat(2)); - assert.strictEqual(Buffer.from('Kioq', encoding).toString(), '*'.repeat(3)); - assert.strictEqual( - Buffer.from('KioqKg==', encoding).toString(), '*'.repeat(4)); - assert.strictEqual( - Buffer.from('KioqKio=', encoding).toString(), '*'.repeat(5)); - assert.strictEqual( - Buffer.from('KioqKioq', encoding).toString(), '*'.repeat(6)); - assert.strictEqual(Buffer.from('KioqKioqKg==', encoding).toString(), - '*'.repeat(7)); - assert.strictEqual(Buffer.from('KioqKioqKio=', encoding).toString(), - '*'.repeat(8)); - assert.strictEqual(Buffer.from('KioqKioqKioq', encoding).toString(), - '*'.repeat(9)); - assert.strictEqual(Buffer.from('KioqKioqKioqKg==', encoding).toString(), - '*'.repeat(10)); - assert.strictEqual(Buffer.from('KioqKioqKioqKio=', encoding).toString(), - '*'.repeat(11)); - assert.strictEqual(Buffer.from('KioqKioqKioqKioq', encoding).toString(), - '*'.repeat(12)); - assert.strictEqual(Buffer.from('KioqKioqKioqKioqKg==', encoding).toString(), - '*'.repeat(13)); - assert.strictEqual(Buffer.from('KioqKioqKioqKioqKio=', encoding).toString(), - '*'.repeat(14)); - assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioq', encoding).toString(), - '*'.repeat(15)); - assert.strictEqual( - Buffer.from('KioqKioqKioqKioqKioqKg==', encoding).toString(), - '*'.repeat(16)); - assert.strictEqual( - Buffer.from('KioqKioqKioqKioqKioqKio=', encoding).toString(), - '*'.repeat(17)); - assert.strictEqual( - Buffer.from('KioqKioqKioqKioqKioqKioq', encoding).toString(), - '*'.repeat(18)); - assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKioqKg==', - encoding).toString(), - '*'.repeat(19)); - assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKioqKio=', - encoding).toString(), - '*'.repeat(20)); - - // No padding, not a multiple of 4 - assert.strictEqual(Buffer.from('Kg', encoding).toString(), '*'); - assert.strictEqual(Buffer.from('Kio', encoding).toString(), '*'.repeat(2)); - assert.strictEqual(Buffer.from('KioqKg', encoding).toString(), '*'.repeat(4)); - assert.strictEqual( - Buffer.from('KioqKio', encoding).toString(), '*'.repeat(5)); - assert.strictEqual(Buffer.from('KioqKioqKg', encoding).toString(), - '*'.repeat(7)); - assert.strictEqual(Buffer.from('KioqKioqKio', encoding).toString(), - '*'.repeat(8)); - assert.strictEqual(Buffer.from('KioqKioqKioqKg', encoding).toString(), - '*'.repeat(10)); - assert.strictEqual(Buffer.from('KioqKioqKioqKio', encoding).toString(), - '*'.repeat(11)); - assert.strictEqual(Buffer.from('KioqKioqKioqKioqKg', encoding).toString(), - '*'.repeat(13)); - assert.strictEqual(Buffer.from('KioqKioqKioqKioqKio', encoding).toString(), - '*'.repeat(14)); - assert.strictEqual(Buffer.from('KioqKioqKioqKioqKioqKg', encoding).toString(), - '*'.repeat(16)); - assert.strictEqual( - Buffer.from('KioqKioqKioqKioqKioqKio', encoding).toString(), - '*'.repeat(17)); - assert.strictEqual( - Buffer.from('KioqKioqKioqKioqKioqKioqKg', encoding).toString(), - '*'.repeat(19)); - assert.strictEqual( - Buffer.from('KioqKioqKioqKioqKioqKioqKio', encoding).toString(), - '*'.repeat(20)); -}); - -// Handle padding graciously, multiple-of-4 or not -assert.strictEqual( - Buffer.from('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw==', 'base64').length, - 32 -); -assert.strictEqual( - Buffer.from('72INjkR5fchcxk9-VgdGPFJDxUBFR5_rMFsghgxADiw==', 'base64url') - .length, - 32 -); -assert.strictEqual( - Buffer.from('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw=', 'base64').length, - 32 -); -assert.strictEqual( - Buffer.from('72INjkR5fchcxk9-VgdGPFJDxUBFR5_rMFsghgxADiw=', 'base64url') - .length, - 32 -); -assert.strictEqual( - Buffer.from('72INjkR5fchcxk9+VgdGPFJDxUBFR5/rMFsghgxADiw', 'base64').length, - 32 -); -assert.strictEqual( - Buffer.from('72INjkR5fchcxk9-VgdGPFJDxUBFR5_rMFsghgxADiw', 'base64url') - .length, - 32 -); -assert.strictEqual( - Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg==', 'base64').length, - 31 -); -assert.strictEqual( - Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg==', 'base64url') - .length, - 31 -); -assert.strictEqual( - Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg=', 'base64').length, - 31 -); -assert.strictEqual( - Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg=', 'base64url') - .length, - 31 -); -assert.strictEqual( - Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg', 'base64').length, - 31 -); -assert.strictEqual( - Buffer.from('w69jACy6BgZmaFvv96HG6MYksWytuZu3T1FvGnulPg', 'base64url').length, - 31 -); - -{ -// This string encodes single '.' character in UTF-16 - const dot = Buffer.from('//4uAA==', 'base64'); - assert.strictEqual(dot[0], 0xff); - assert.strictEqual(dot[1], 0xfe); - assert.strictEqual(dot[2], 0x2e); - assert.strictEqual(dot[3], 0x00); - assert.strictEqual(dot.toString('base64'), '//4uAA=='); -} - -{ -// This string encodes single '.' character in UTF-16 - const dot = Buffer.from('//4uAA', 'base64url'); - assert.strictEqual(dot[0], 0xff); - assert.strictEqual(dot[1], 0xfe); - assert.strictEqual(dot[2], 0x2e); - assert.strictEqual(dot[3], 0x00); - assert.strictEqual(dot.toString('base64url'), '__4uAA'); -} - -{ - // Writing base64 at a position > 0 should not mangle the result. - // - // https://github.com/joyent/node/issues/402 - const segments = ['TWFkbmVzcz8h', 'IFRoaXM=', 'IGlz', 'IG5vZGUuanMh']; - const b = Buffer.allocUnsafe(64); - let pos = 0; - - for (let i = 0; i < segments.length; ++i) { - pos += b.write(segments[i], pos, 'base64'); - } - assert.strictEqual(b.toString('latin1', 0, pos), - 'Madness?! This is node.js!'); -} - -{ - // Writing base64url at a position > 0 should not mangle the result. - // - // https://github.com/joyent/node/issues/402 - const segments = ['TWFkbmVzcz8h', 'IFRoaXM', 'IGlz', 'IG5vZGUuanMh']; - const b = Buffer.allocUnsafe(64); - let pos = 0; - - for (let i = 0; i < segments.length; ++i) { - pos += b.write(segments[i], pos, 'base64url'); - } - assert.strictEqual(b.toString('latin1', 0, pos), - 'Madness?! This is node.js!'); -} - -// Regression test for https://github.com/nodejs/node/issues/3496. -assert.strictEqual(Buffer.from('=bad'.repeat(1e4), 'base64').length, 0); - -// Regression test for https://github.com/nodejs/node/issues/11987. -assert.deepStrictEqual(Buffer.from('w0 ', 'base64'), - Buffer.from('w0', 'base64')); - -// Regression test for https://github.com/nodejs/node/issues/13657. -assert.deepStrictEqual(Buffer.from(' YWJvcnVtLg', 'base64'), - Buffer.from('YWJvcnVtLg', 'base64')); - -{ - // Creating buffers larger than pool size. - const l = Buffer.poolSize + 5; - const s = 'h'.repeat(l); - const b = Buffer.from(s); - - for (let i = 0; i < l; i++) { - assert.strictEqual(b[i], 'h'.charCodeAt(0)); - } - - const sb = b.toString(); - assert.strictEqual(sb.length, s.length); - assert.strictEqual(sb, s); -} - -{ - // test hex toString - const hexb = Buffer.allocUnsafe(256); - for (let i = 0; i < 256; i++) { - hexb[i] = i; - } - const hexStr = hexb.toString('hex'); - assert.strictEqual(hexStr, - '000102030405060708090a0b0c0d0e0f' + - '101112131415161718191a1b1c1d1e1f' + - '202122232425262728292a2b2c2d2e2f' + - '303132333435363738393a3b3c3d3e3f' + - '404142434445464748494a4b4c4d4e4f' + - '505152535455565758595a5b5c5d5e5f' + - '606162636465666768696a6b6c6d6e6f' + - '707172737475767778797a7b7c7d7e7f' + - '808182838485868788898a8b8c8d8e8f' + - '909192939495969798999a9b9c9d9e9f' + - 'a0a1a2a3a4a5a6a7a8a9aaabacadaeaf' + - 'b0b1b2b3b4b5b6b7b8b9babbbcbdbebf' + - 'c0c1c2c3c4c5c6c7c8c9cacbcccdcecf' + - 'd0d1d2d3d4d5d6d7d8d9dadbdcdddedf' + - 'e0e1e2e3e4e5e6e7e8e9eaebecedeeef' + - 'f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff'); - - const hexb2 = Buffer.from(hexStr, 'hex'); - for (let i = 0; i < 256; i++) { - assert.strictEqual(hexb2[i], hexb[i]); - } -} - -// Test single hex character is discarded. -assert.strictEqual(Buffer.from('A', 'hex').length, 0); - -// Test that if a trailing character is discarded, rest of string is processed. -assert.deepStrictEqual(Buffer.from('Abx', 'hex'), Buffer.from('Ab', 'hex')); - -// Test single base64 char encodes as 0. -assert.strictEqual(Buffer.from('A', 'base64').length, 0); - - -{ - // Test an invalid slice end. - const b = Buffer.from([1, 2, 3, 4, 5]); - const b2 = b.toString('hex', 1, 10000); - const b3 = b.toString('hex', 1, 5); - const b4 = b.toString('hex', 1); - assert.strictEqual(b2, b3); - assert.strictEqual(b2, b4); -} - -function buildBuffer(data) { - if (Array.isArray(data)) { - const buffer = Buffer.allocUnsafe(data.length); - data.forEach((v, k) => buffer[k] = v); - return buffer; - } - return null; -} - -const x = buildBuffer([0x81, 0xa3, 0x66, 0x6f, 0x6f, 0xa3, 0x62, 0x61, 0x72]); - -assert.strictEqual(x.inspect(), '<Buffer 81 a3 66 6f 6f a3 62 61 72>'); - -{ - const z = x.slice(4); - assert.strictEqual(z.length, 5); - assert.strictEqual(z[0], 0x6f); - assert.strictEqual(z[1], 0xa3); - assert.strictEqual(z[2], 0x62); - assert.strictEqual(z[3], 0x61); - assert.strictEqual(z[4], 0x72); -} - -{ - const z = x.slice(0); - assert.strictEqual(z.length, x.length); -} - -{ - const z = x.slice(0, 4); - assert.strictEqual(z.length, 4); - assert.strictEqual(z[0], 0x81); - assert.strictEqual(z[1], 0xa3); -} - -{ - const z = x.slice(0, 9); - assert.strictEqual(z.length, 9); -} - -{ - const z = x.slice(1, 4); - assert.strictEqual(z.length, 3); - assert.strictEqual(z[0], 0xa3); -} - -{ - const z = x.slice(2, 4); - assert.strictEqual(z.length, 2); - assert.strictEqual(z[0], 0x66); - assert.strictEqual(z[1], 0x6f); -} - -['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach((encoding) => { - const b = Buffer.allocUnsafe(10); - b.write('あいうえお', encoding); - assert.strictEqual(b.toString(encoding), 'あいうえお'); -}); - -['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach((encoding) => { - const b = Buffer.allocUnsafe(11); - b.write('あいうえお', 1, encoding); - assert.strictEqual(b.toString(encoding, 1), 'あいうえお'); -}); - -{ - // latin1 encoding should write only one byte per character. - const b = Buffer.from([0xde, 0xad, 0xbe, 0xef]); - let s = String.fromCharCode(0xffff); - b.write(s, 0, 'latin1'); - assert.strictEqual(b[0], 0xff); - assert.strictEqual(b[1], 0xad); - assert.strictEqual(b[2], 0xbe); - assert.strictEqual(b[3], 0xef); - s = String.fromCharCode(0xaaee); - b.write(s, 0, 'latin1'); - assert.strictEqual(b[0], 0xee); - assert.strictEqual(b[1], 0xad); - assert.strictEqual(b[2], 0xbe); - assert.strictEqual(b[3], 0xef); -} - -{ - // Binary encoding should write only one byte per character. - const b = Buffer.from([0xde, 0xad, 0xbe, 0xef]); - let s = String.fromCharCode(0xffff); - b.write(s, 0, 'latin1'); - assert.strictEqual(b[0], 0xff); - assert.strictEqual(b[1], 0xad); - assert.strictEqual(b[2], 0xbe); - assert.strictEqual(b[3], 0xef); - s = String.fromCharCode(0xaaee); - b.write(s, 0, 'latin1'); - assert.strictEqual(b[0], 0xee); - assert.strictEqual(b[1], 0xad); - assert.strictEqual(b[2], 0xbe); - assert.strictEqual(b[3], 0xef); -} - -{ - // https://github.com/nodejs/node-v0.x-archive/pull/1210 - // Test UTF-8 string includes null character - let buf = Buffer.from('\0'); - assert.strictEqual(buf.length, 1); - buf = Buffer.from('\0\0'); - assert.strictEqual(buf.length, 2); -} - -{ - const buf = Buffer.allocUnsafe(2); - assert.strictEqual(buf.write(''), 0); // 0bytes - assert.strictEqual(buf.write('\0'), 1); // 1byte (v8 adds null terminator) - assert.strictEqual(buf.write('a\0'), 2); // 1byte * 2 - assert.strictEqual(buf.write('あ'), 0); // 3bytes - assert.strictEqual(buf.write('\0あ'), 1); // 1byte + 3bytes - assert.strictEqual(buf.write('\0\0あ'), 2); // 1byte * 2 + 3bytes -} - -{ - const buf = Buffer.allocUnsafe(10); - assert.strictEqual(buf.write('あいう'), 9); // 3bytes * 3 (v8 adds null term.) - assert.strictEqual(buf.write('あいう\0'), 10); // 3bytes * 3 + 1byte -} - -{ - // https://github.com/nodejs/node-v0.x-archive/issues/243 - // Test write() with maxLength - const buf = Buffer.allocUnsafe(4); - buf.fill(0xFF); - assert.strictEqual(buf.write('abcd', 1, 2, 'utf8'), 2); - assert.strictEqual(buf[0], 0xFF); - assert.strictEqual(buf[1], 0x61); - assert.strictEqual(buf[2], 0x62); - assert.strictEqual(buf[3], 0xFF); - - buf.fill(0xFF); - assert.strictEqual(buf.write('abcd', 1, 4), 3); - assert.strictEqual(buf[0], 0xFF); - assert.strictEqual(buf[1], 0x61); - assert.strictEqual(buf[2], 0x62); - assert.strictEqual(buf[3], 0x63); - - buf.fill(0xFF); - assert.strictEqual(buf.write('abcd', 1, 2, 'utf8'), 2); - assert.strictEqual(buf[0], 0xFF); - assert.strictEqual(buf[1], 0x61); - assert.strictEqual(buf[2], 0x62); - assert.strictEqual(buf[3], 0xFF); - - buf.fill(0xFF); - assert.strictEqual(buf.write('abcdef', 1, 2, 'hex'), 2); - assert.strictEqual(buf[0], 0xFF); - assert.strictEqual(buf[1], 0xAB); - assert.strictEqual(buf[2], 0xCD); - assert.strictEqual(buf[3], 0xFF); - - ['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach((encoding) => { - buf.fill(0xFF); - assert.strictEqual(buf.write('abcd', 0, 2, encoding), 2); - assert.strictEqual(buf[0], 0x61); - assert.strictEqual(buf[1], 0x00); - assert.strictEqual(buf[2], 0xFF); - assert.strictEqual(buf[3], 0xFF); - }); -} - -{ - // Test offset returns are correct - const b = Buffer.allocUnsafe(16); - assert.strictEqual(b.writeUInt32LE(0, 0), 4); - assert.strictEqual(b.writeUInt16LE(0, 4), 6); - assert.strictEqual(b.writeUInt8(0, 6), 7); - assert.strictEqual(b.writeInt8(0, 7), 8); - assert.strictEqual(b.writeDoubleLE(0, 8), 16); -} - -{ - // Test unmatched surrogates not producing invalid utf8 output - // ef bf bd = utf-8 representation of unicode replacement character - // see https://codereview.chromium.org/121173009/ - const buf = Buffer.from('ab\ud800cd', 'utf8'); - assert.strictEqual(buf[0], 0x61); - assert.strictEqual(buf[1], 0x62); - assert.strictEqual(buf[2], 0xef); - assert.strictEqual(buf[3], 0xbf); - assert.strictEqual(buf[4], 0xbd); - assert.strictEqual(buf[5], 0x63); - assert.strictEqual(buf[6], 0x64); -} - -{ - // Test for buffer overrun - const buf = Buffer.from([0, 0, 0, 0, 0]); // length: 5 - const sub = buf.slice(0, 4); // length: 4 - assert.strictEqual(sub.write('12345', 'latin1'), 4); - assert.strictEqual(buf[4], 0); - assert.strictEqual(sub.write('12345', 'binary'), 4); - assert.strictEqual(buf[4], 0); -} - -{ - // Test alloc with fill option - const buf = Buffer.alloc(5, '800A', 'hex'); - assert.strictEqual(buf[0], 128); - assert.strictEqual(buf[1], 10); - assert.strictEqual(buf[2], 128); - assert.strictEqual(buf[3], 10); - assert.strictEqual(buf[4], 128); -} - - -// 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.strictEqual(Buffer.allocUnsafe(3.3).length, 3); -assert.strictEqual(Buffer.from({ length: 3.3 }).length, 3); -assert.strictEqual(Buffer.from({ length: 'BAM' }).length, 0); - -// Make sure that strings are not coerced to numbers. -assert.strictEqual(Buffer.from('99').length, 2); -assert.strictEqual(Buffer.from('13.37').length, 5); - -// Ensure that the length argument is respected. -['ascii', 'utf8', 'hex', 'base64', 'latin1', 'binary'].forEach((enc) => { - assert.strictEqual(Buffer.allocUnsafe(1).write('aaaaaa', 0, 1, enc), 1); -}); - -{ - // Regression test, guard against buffer overrun in the base64 decoder. - const a = Buffer.allocUnsafe(3); - const b = Buffer.from('xxx'); - a.write('aaaaaaaa', 'base64'); - assert.strictEqual(b.toString(), 'xxx'); -} - -// issue GH-3416 -Buffer.from(Buffer.allocUnsafe(0), 0, 0); - -// issue GH-5587 -assert.throws( - () => Buffer.alloc(8).writeFloatLE(0, 5), - outOfRangeError -); -assert.throws( - () => Buffer.alloc(16).writeDoubleLE(0, 9), - outOfRangeError -); - -// Attempt to overflow buffers, similar to previous bug in array buffers -assert.throws( - () => Buffer.allocUnsafe(8).writeFloatLE(0.0, 0xffffffff), - outOfRangeError -); -assert.throws( - () => Buffer.allocUnsafe(8).writeFloatLE(0.0, 0xffffffff), - outOfRangeError -); - -// Ensure negative values can't get past offset -assert.throws( - () => Buffer.allocUnsafe(8).writeFloatLE(0.0, -1), - outOfRangeError -); -assert.throws( - () => Buffer.allocUnsafe(8).writeFloatLE(0.0, -1), - outOfRangeError -); - -// Test for common write(U)IntLE/BE -{ - let buf = Buffer.allocUnsafe(3); - buf.writeUIntLE(0x123456, 0, 3); - assert.deepStrictEqual(buf.toJSON().data, [0x56, 0x34, 0x12]); - assert.strictEqual(buf.readUIntLE(0, 3), 0x123456); - - buf.fill(0xFF); - buf.writeUIntBE(0x123456, 0, 3); - assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56]); - assert.strictEqual(buf.readUIntBE(0, 3), 0x123456); - - buf.fill(0xFF); - buf.writeIntLE(0x123456, 0, 3); - assert.deepStrictEqual(buf.toJSON().data, [0x56, 0x34, 0x12]); - assert.strictEqual(buf.readIntLE(0, 3), 0x123456); - - buf.fill(0xFF); - buf.writeIntBE(0x123456, 0, 3); - assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56]); - assert.strictEqual(buf.readIntBE(0, 3), 0x123456); - - buf.fill(0xFF); - buf.writeIntLE(-0x123456, 0, 3); - assert.deepStrictEqual(buf.toJSON().data, [0xaa, 0xcb, 0xed]); - assert.strictEqual(buf.readIntLE(0, 3), -0x123456); - - buf.fill(0xFF); - buf.writeIntBE(-0x123456, 0, 3); - assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcb, 0xaa]); - assert.strictEqual(buf.readIntBE(0, 3), -0x123456); - - buf.fill(0xFF); - buf.writeIntLE(-0x123400, 0, 3); - assert.deepStrictEqual(buf.toJSON().data, [0x00, 0xcc, 0xed]); - assert.strictEqual(buf.readIntLE(0, 3), -0x123400); - - buf.fill(0xFF); - buf.writeIntBE(-0x123400, 0, 3); - assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcc, 0x00]); - assert.strictEqual(buf.readIntBE(0, 3), -0x123400); - - buf.fill(0xFF); - buf.writeIntLE(-0x120000, 0, 3); - assert.deepStrictEqual(buf.toJSON().data, [0x00, 0x00, 0xee]); - assert.strictEqual(buf.readIntLE(0, 3), -0x120000); - - buf.fill(0xFF); - buf.writeIntBE(-0x120000, 0, 3); - assert.deepStrictEqual(buf.toJSON().data, [0xee, 0x00, 0x00]); - assert.strictEqual(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.strictEqual(buf.readUIntLE(0, 5), 0x1234567890); - - buf.fill(0xFF); - buf.writeUIntBE(0x1234567890, 0, 5); - assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56, 0x78, 0x90]); - assert.strictEqual(buf.readUIntBE(0, 5), 0x1234567890); - - buf.fill(0xFF); - buf.writeIntLE(0x1234567890, 0, 5); - assert.deepStrictEqual(buf.toJSON().data, [0x90, 0x78, 0x56, 0x34, 0x12]); - assert.strictEqual(buf.readIntLE(0, 5), 0x1234567890); - - buf.fill(0xFF); - buf.writeIntBE(0x1234567890, 0, 5); - assert.deepStrictEqual(buf.toJSON().data, [0x12, 0x34, 0x56, 0x78, 0x90]); - assert.strictEqual(buf.readIntBE(0, 5), 0x1234567890); - - buf.fill(0xFF); - buf.writeIntLE(-0x1234567890, 0, 5); - assert.deepStrictEqual(buf.toJSON().data, [0x70, 0x87, 0xa9, 0xcb, 0xed]); - assert.strictEqual(buf.readIntLE(0, 5), -0x1234567890); - - buf.fill(0xFF); - buf.writeIntBE(-0x1234567890, 0, 5); - assert.deepStrictEqual(buf.toJSON().data, [0xed, 0xcb, 0xa9, 0x87, 0x70]); - assert.strictEqual(buf.readIntBE(0, 5), -0x1234567890); - - buf.fill(0xFF); - buf.writeIntLE(-0x0012000000, 0, 5); - assert.deepStrictEqual(buf.toJSON().data, [0x00, 0x00, 0x00, 0xee, 0xff]); - assert.strictEqual(buf.readIntLE(0, 5), -0x0012000000); - - buf.fill(0xFF); - buf.writeIntBE(-0x0012000000, 0, 5); - assert.deepStrictEqual(buf.toJSON().data, [0xff, 0xee, 0x00, 0x00, 0x00]); - assert.strictEqual(buf.readIntBE(0, 5), -0x0012000000); -} - -// Regression test for https://github.com/nodejs/node-v0.x-archive/issues/5482: -// should throw but not assert in C++ land. -assert.throws( - () => Buffer.from('', 'buffer'), - { - code: 'ERR_UNKNOWN_ENCODING', - name: 'TypeError', - message: 'Unknown encoding: buffer' - } -); - -// Regression test for https://github.com/nodejs/node-v0.x-archive/issues/6111. -// Constructing a buffer from another buffer should a) work, and b) not corrupt -// the source buffer. -{ - const a = [...Array(128).keys()]; // [0, 1, 2, 3, ... 126, 127] - const b = Buffer.from(a); - const c = Buffer.from(b); - assert.strictEqual(b.length, a.length); - assert.strictEqual(c.length, a.length); - for (let i = 0, k = a.length; i < k; ++i) { - assert.strictEqual(a[i], i); - assert.strictEqual(b[i], i); - assert.strictEqual(c[i], i); - } -} - -if (common.hasCrypto) { // eslint-disable-line node-core/crypto-check - // Test truncation after decode - const crypto = require('crypto'); - - const b1 = Buffer.from('YW55=======', 'base64'); - const b2 = Buffer.from('YW55', 'base64'); - - assert.strictEqual( - crypto.createHash('sha1').update(b1).digest('hex'), - crypto.createHash('sha1').update(b2).digest('hex') - ); -} else { - common.printSkipMessage('missing crypto'); -} - -const ps = Buffer.poolSize; -Buffer.poolSize = 0; -assert(Buffer.allocUnsafe(1).parent instanceof ArrayBuffer); -Buffer.poolSize = ps; - -assert.throws( - () => Buffer.allocUnsafe(10).copy(), - { - code: 'ERR_INVALID_ARG_TYPE', - name: 'TypeError', - message: 'The "target" argument must be an instance of Buffer or ' + - 'Uint8Array. Received undefined' - }); - -assert.throws(() => Buffer.from(), { - name: 'TypeError', - message: 'The first argument must be of type string or an instance of ' + - 'Buffer, ArrayBuffer, or Array or an Array-like Object. Received undefined' -}); -assert.throws(() => Buffer.from(null), { - name: 'TypeError', - message: 'The first argument must be of type string or an instance of ' + - 'Buffer, ArrayBuffer, or Array or an Array-like Object. Received null' -}); - -// Test prototype getters don't throw -assert.strictEqual(Buffer.prototype.parent, undefined); -assert.strictEqual(Buffer.prototype.offset, undefined); -assert.strictEqual(SlowBuffer.prototype.parent, undefined); -assert.strictEqual(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.from({ length: -Buffer.poolSize }), - Buffer.from('')); - assert.deepStrictEqual(Buffer.from({ length: -100 }), - Buffer.from('')); - - // Check pool offset after that by trying to write string into the pool. - Buffer.from('abc'); -} - - -// Test that ParseArrayIndex handles full uint32 -{ - const errMsg = common.expectsError({ - code: 'ERR_BUFFER_OUT_OF_BOUNDS', - name: 'RangeError', - message: '"offset" is outside of buffer bounds' - }); - assert.throws(() => Buffer.from(new ArrayBuffer(0), -1 >>> 0), errMsg); -} - -// ParseArrayIndex() should reject values that don't fit in a 32 bits size_t. -assert.throws(() => { - const a = Buffer.alloc(1); - const b = Buffer.alloc(1); - a.copy(b, 0, 0x100000000, 0x100000001); -}, outOfRangeError); - -// Unpooled buffer (replaces SlowBuffer) -{ - const ubuf = Buffer.allocUnsafeSlow(10); - assert(ubuf); - assert(ubuf.buffer); - assert.strictEqual(ubuf.buffer.byteLength, 10); -} - -// Regression test to verify that an empty ArrayBuffer does not throw. -Buffer.from(new ArrayBuffer()); - - -// Test that ArrayBuffer from a different context is detected correctly. -const arrayBuf = vm.runInNewContext('new ArrayBuffer()'); -Buffer.from(arrayBuf); -Buffer.from({ buffer: arrayBuf }); - -assert.throws(() => Buffer.alloc({ valueOf: () => 1 }), - /"size" argument must be of type number/); -assert.throws(() => Buffer.alloc({ valueOf: () => -1 }), - /"size" argument must be of type number/); - -assert.strictEqual(Buffer.prototype.toLocaleString, Buffer.prototype.toString); -{ - const buf = Buffer.from('test'); - assert.strictEqual(buf.toLocaleString(), buf.toString()); -} - -assert.throws(() => { - Buffer.alloc(0x1000, 'This is not correctly encoded', 'hex'); -}, { - code: 'ERR_INVALID_ARG_VALUE', - name: 'TypeError' -}); - -assert.throws(() => { - Buffer.alloc(0x1000, 'c', 'hex'); -}, { - code: 'ERR_INVALID_ARG_VALUE', - name: 'TypeError' -}); - -assert.throws(() => { - Buffer.alloc(1, Buffer.alloc(0)); -}, { - code: 'ERR_INVALID_ARG_VALUE', - name: 'TypeError' -}); - -assert.throws(() => { - Buffer.alloc(40, 'x', 20); -}, { - code: 'ERR_INVALID_ARG_TYPE', - name: 'TypeError' -}); |