deno.land / std@0.166.0 / node / _tools / test / parallel / test-buffer-bytelength.js
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 16.13.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';
const common = require('../common');const assert = require('assert');const SlowBuffer = require('buffer').SlowBuffer;const vm = require('vm');
[ [32, 'latin1'], [NaN, 'utf8'], [{}, 'latin1'], [],].forEach((args) => { assert.throws( () => Buffer.byteLength(...args), { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError', message: 'The "string" argument must be of type string or an instance ' + 'of Buffer or ArrayBuffer.' + common.invalidArgTypeHelper(args[0]) } );});
assert.strictEqual(Buffer.byteLength('', undefined, true), -1);
assert(ArrayBuffer.isView(new Buffer(10)));assert(ArrayBuffer.isView(new SlowBuffer(10)));assert(ArrayBuffer.isView(Buffer.alloc(10)));assert(ArrayBuffer.isView(Buffer.allocUnsafe(10)));assert(ArrayBuffer.isView(Buffer.allocUnsafeSlow(10)));assert(ArrayBuffer.isView(Buffer.from('')));
// bufferconst incomplete = Buffer.from([0xe4, 0xb8, 0xad, 0xe6, 0x96]);assert.strictEqual(Buffer.byteLength(incomplete), 5);const ascii = Buffer.from('abc');assert.strictEqual(Buffer.byteLength(ascii), 3);
// ArrayBufferconst buffer = new ArrayBuffer(8);assert.strictEqual(Buffer.byteLength(buffer), 8);
// TypedArrayconst int8 = new Int8Array(8);assert.strictEqual(Buffer.byteLength(int8), 8);const uint8 = new Uint8Array(8);assert.strictEqual(Buffer.byteLength(uint8), 8);const uintc8 = new Uint8ClampedArray(2);assert.strictEqual(Buffer.byteLength(uintc8), 2);const int16 = new Int16Array(8);assert.strictEqual(Buffer.byteLength(int16), 16);const uint16 = new Uint16Array(8);assert.strictEqual(Buffer.byteLength(uint16), 16);const int32 = new Int32Array(8);assert.strictEqual(Buffer.byteLength(int32), 32);const uint32 = new Uint32Array(8);assert.strictEqual(Buffer.byteLength(uint32), 32);const float32 = new Float32Array(8);assert.strictEqual(Buffer.byteLength(float32), 32);const float64 = new Float64Array(8);assert.strictEqual(Buffer.byteLength(float64), 64);
// DataViewconst dv = new DataView(new ArrayBuffer(2));assert.strictEqual(Buffer.byteLength(dv), 2);
// Special case: zero length stringassert.strictEqual(Buffer.byteLength('', 'ascii'), 0);assert.strictEqual(Buffer.byteLength('', 'HeX'), 0);
// utf8assert.strictEqual(Buffer.byteLength('∑éllö wørl∂!', 'utf-8'), 19);assert.strictEqual(Buffer.byteLength('κλμνξο', 'utf8'), 12);assert.strictEqual(Buffer.byteLength('挵挶挷挸挹', 'utf-8'), 15);assert.strictEqual(Buffer.byteLength('𠝹𠱓𠱸', 'UTF8'), 12);// Without an encoding, utf8 should be assumedassert.strictEqual(Buffer.byteLength('hey there'), 9);assert.strictEqual(Buffer.byteLength('𠱸挶νξ#xx :)'), 17);assert.strictEqual(Buffer.byteLength('hello world', ''), 11);// It should also be assumed with unrecognized encodingassert.strictEqual(Buffer.byteLength('hello world', 'abc'), 11);assert.strictEqual(Buffer.byteLength('ßœ∑≈', 'unkn0wn enc0ding'), 10);
// base64assert.strictEqual(Buffer.byteLength('aGVsbG8gd29ybGQ=', 'base64'), 11);assert.strictEqual(Buffer.byteLength('aGVsbG8gd29ybGQ=', 'BASE64'), 11);assert.strictEqual(Buffer.byteLength('bm9kZS5qcyByb2NrcyE=', 'base64'), 14);assert.strictEqual(Buffer.byteLength('aGkk', 'base64'), 3);assert.strictEqual( Buffer.byteLength('bHNrZGZsa3NqZmtsc2xrZmFqc2RsZmtqcw==', 'base64'), 25);assert.strictEqual(Buffer.byteLength('aGVsbG8gd29ybGQ', 'base64url'), 11);assert.strictEqual(Buffer.byteLength('aGVsbG8gd29ybGQ', 'BASE64URL'), 11);assert.strictEqual(Buffer.byteLength('bm9kZS5qcyByb2NrcyE', 'base64url'), 14);assert.strictEqual(Buffer.byteLength('aGkk', 'base64url'), 3);assert.strictEqual( Buffer.byteLength('bHNrZGZsa3NqZmtsc2xrZmFqc2RsZmtqcw', 'base64url'), 25);// special paddingassert.strictEqual(Buffer.byteLength('aaa=', 'base64'), 2);assert.strictEqual(Buffer.byteLength('aaaa==', 'base64'), 3);assert.strictEqual(Buffer.byteLength('aaa=', 'base64url'), 2);assert.strictEqual(Buffer.byteLength('aaaa==', 'base64url'), 3);
assert.strictEqual(Buffer.byteLength('Il était tué'), 14);assert.strictEqual(Buffer.byteLength('Il était tué', 'utf8'), 14);
['ascii', 'latin1', 'binary'] .reduce((es, e) => es.concat(e, e.toUpperCase()), []) .forEach((encoding) => { assert.strictEqual(Buffer.byteLength('Il était tué', encoding), 12); });
['ucs2', 'ucs-2', 'utf16le', 'utf-16le'] .reduce((es, e) => es.concat(e, e.toUpperCase()), []) .forEach((encoding) => { assert.strictEqual(Buffer.byteLength('Il était tué', encoding), 24); });
// TODO(Soremwar)// Enable once vm module is available// // Test that ArrayBuffer from a different context is detected correctly// const arrayBuf = vm.runInNewContext('new ArrayBuffer()');// assert.strictEqual(Buffer.byteLength(arrayBuf), 0);
// Verify that invalid encodings are treated as utf8for (let i = 1; i < 10; i++) { const encoding = String(i).repeat(i);
assert.ok(!Buffer.isEncoding(encoding)); assert.strictEqual(Buffer.byteLength('foo', encoding), Buffer.byteLength('foo', 'utf8'));}
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