'use strict'; var Buffer = require('../../').Buffer; if (Buffer.TYPED_ARRAY_SUPPORT) return; var assert = require('assert'); var Buffer = require('../../').Buffer; var SlowBuffer = require('../../').SlowBuffer; // coerce values to string assert.equal(Buffer.byteLength(32, 'binary'), 2); assert.equal(Buffer.byteLength(NaN, 'utf8'), 3); assert.equal(Buffer.byteLength({}, 'binary'), 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', 'binary'), 12); ['ucs2', 'ucs-2', 'utf16le', 'utf-16le'].forEach(function(encoding) { assert.equal(24, Buffer.byteLength('Il était tué', encoding)); });